Intelligence is the ability to adapt to change.

No one can make you feel inferior without your consent.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

What a liberation to realize that the “voice in my head” is not who I am. Who am I then? The one who sees that.

There's no sense in being precise when you don't even know what you're talking about.

Strength does not come from physical capacity. It comes from an indomitable will.

Without courage, wisdom bears no fruit.

A perfection of means, and confusion of aims, seems to be our main problem.

A friend to all is a friend to none

No man has any natural authority over his fellow men.

Only from the heart can you touch the sky.

Obsession is the wellspring of genius and madness.

You cannot truly listen to anyone and do anything else at the same time.

Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.

Work is the price which is paid for reputation.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

None but ourselves can free our minds.

Everybody is ignorant, only on different subjects.

Let there be spaces in your togetherness.

We learn from our gardens to deal with the most urgent question of the time: How much is enough?

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.