“Man is endowed with reason and the power to create,
so that he may increase that which is given to him”
– Chekov

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List of Subjects

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Business English

Business
English

English grammar

English
grammar

Everyday English

Everyday
English

Tests and Quizzes

Test &
quizzes

Learn more words

Learn more
words

Culture

Culture

Entertain Yourself

Entertain
Yourself

Health and fitness

Health &
fitness

Wise Quotes

Wise
quotes

Science stuff

Science
stuff

Surprise me

Surprise
me

The Arts

The Arts

Travelling and nature

Travel &
Nature

What do you think

What do 
you think

Man and
Society

Better Communicator

Better
communicator

Better Writer

Better
writer

How to learn

How to
learn

Learn from TED.com

Learn
from TED

Personal Productivity

Personal
productivity

Chronological Catalogue of Lessons

Look through the chronological catalogue of all the lessons on The Blue Tree.

Just Pick Up the Phone

Just Pick Up the Phone

Which do you prefer, calling somebody or writing them an email? Why is a telephone conversation a really good way to get things done business-wise?