Hello Stranger. You're not logged in yet.
Getting in:
Use the button below to log in. If you don't have access yet, check our offer on the homepage.
LATEST LESSONS
New lessons are added almost every week. Check out the most recent lessons on The Blue Tree. Which one looks practical, interesting, or inspiring?
Language of recommending, suggesting and giving advice
Test Your English series – this test checks the language of recommending, suggesting and giving advice.
40 rules for life
Daniel Pink’s 40 rules for life is a special lesson. It’s a wonderful and insightful collection of advice on life that we’d all do well to follow.
Secrets of Adulthood
Simple truths for our complex lives. This lesson is based on a book by Gretchen Rubin.
SIMPLE SEARCH
Just type in what you are looking for. A new page will load with matching results.
ADVANCED SEARCH
You can filter lessons by titles, categories, tags, or levels.
LIST OF CATEGORIES
There are 20 main categories, or subjects, of lessons on The Blue Tree. First five are about the English language, the next ten are about general interest, and last five relate to personal development.
Learn more
words
Business
English
English
grammar
Everyday
English
Test &
quizzes
Talking
Picture
HBR
Lessons
How to say it
Volume 1
How to say it
Volume 2
How to say it
Volume 3
Science
stuff
Culture
Entertain
Yourself
Health &
fitness
Wise
quotes
Surprise
me
The Arts
Travel &
Nature
What do
you think
Man and
Society
Personal
productivity
Better
communicator
Better
writer
How to
learn
Learn
from TED
chronological catalogue
Browse through all the lessons using this chronological catalogue of lessons.
Introduce Yourself with Confidence
Learn how to introduce yourself with confidence in a business context. This lesson is based on Harvard Business Review Management Tip.
Nail Your Answer to “Why Do You Want to Work Here”?
Learn how to answer the question “Why do you want to work here?”. This lesson is based on a HBR Management Tip.
12 RULES FOR LIFE by Jordan Peterson
Learn 2 rules from Jordan Peterson’s book “12 Rules for Life”. This lesson is based on a whiteboard animation by Productivity Game.
Atomic Habits by James Clear
Learn how to make your habits stick by making them obvious, easy, attractive and satisfying. This lesson is based on James Clear’s book Atomic Habits.
Change Your Life – One Tiny Step at a Time
Learn the difference between habit and routine. Find out how to use the power of tiny habits to change your life in this amazing animation by Kurzgesagt.
FIRE: How to quit work and retire in your 30s
This lesson discusses the benefits of FIRE – a movement promoting early retirement. How long would you like to work for?
Who are you, really? The puzzle of personality by Brian Little
This lesson discusses personality types. It is based on a TED talk “Who are you, really? The puzzle of personality” by Brian Little.
A-Z Challenge – Phrasal Verbs
Try this awesome A-Z Phrasal Verbs Challenge. Learn 26 practical phrasal verbs in this fun lesson.
Briefing the big boss
Do you feel a bit intimidated when you have to go to the big boss’s office? Learn how to brief the big boss in this lesson based on HBR Management Tip.
WILL Book Trailer
Who is your favourite actor? I like Will Smith a lot. Here’s a lesson about his new book.
Four Thousand Weeks by Oliver Burkeman
Did you know that the average life-span is about four thousand weeks? Follow Oliver Burkeman’s advice how to make the most of them all.
How to Disagree Without Being Divisive
What does it take to disagree without being divisive? Follow the advice from HBR Managament Tip.
How to talk about forgetting and remembering
Would you like to learn how to talk about forgetting and remembering in English?
How to Give Advice with Al Pittampalli
Would you like to learn how to give advice? Listen to this lecture by Al Pittampalli and learn when to give and when not to give advice.
Would you like to be famous
Would you like to be famous? And what exactly is it like to be famous? Watch Will Smith answer a very deep question about fame.
The Art of Learning by Josh Waitzkin
Can learning be fun? Yes, it can. According to Josh Waizkin it can even be art. Learn about him and his amazing learning journey.
The Power of Stories
Do you like stories? Would you like to know what makes stories so powerful?
Why Does Europe Have Zero Euro Banknotes
Have you ever heard about zero euro? I haven’t. That’s why I prepared this lesson. Now, I just have to get my hands on at least one Zero Euro banknote. 🙂
How to talk about choice and choosing
How to talk about choice and choosing in English? This lesson will show you many alternatives to the words ‘choice’ and ‘choosing’. It contains a mind map and some clever practice from Wordwall.
The quiet power of introverts
Are you an introvert or an extrovert? What it is like to be an introvert in the world designed for extroverts? BBC Ideas prepared a great video on this topic.
How To Write a Business Plan
Would you like to have your own business? Maybe you already have one. What are the rules of preparing a good business plan? What should you consider putting in there?
How to build a resilient future using ancient wisdom
Did you see the pyramids? Or the Roman aqueducts up close? It turns out there are many ancient technologies that are successfully used by people all over the world today.
The best place to be a woman?
Czy kobiety w Polsce zarabiają tyle samo, co mężczyźni na podobnych stanowiskach? Z czego wynika różnica w wynagrodzeniu? Czy jest jakieś miejsce na świecie, gdzie ta różnica jest najmniejsza?
Developing a Growth Mindset with Carol Dweck
Would you like to learn if you have a growth mindset or a fixed mindset? Watch Carol Dweck’s TED talk and find out the power of yet.
Be Professional! Never say this at work!
Learn what not to say at work and what to say instead in this lesson based on Emma from mmmEnglish.
Design a Better Decision-Making Process
Is there an effective decision-making process in your organization? If you feel there is room for improvement in this area, be sure to check out this lesson on how to design a better decision-making process in a company.
Why we do what we do
Would you like to learn what type of motivation is the most effective? Watch this short interview with Edward Deci. He answers the questions why we do what we do.
Protect Your Non-Work Time
How do manage to keep work and life balanced? Elizabeth Grace Saunders shares some useful tips on how to protect our non-work time and why it matters.
Ultra-Learning by Scott Young
Would you like to know how to learn something quickly? Check out Scott Young’s idea from the book “Ultra-learning”.
Most Beautiful Places
The world is full of beautiful places, but some of them are exceptionally wonderful. Here is a list of ten most beautiful places in the world.