One never notices what has been done; one can only see what remains to be done.

He who conquers others is strong; he who conquers himself is mighty.

Every act of creation is first an act of destruction.

Anywhere you go in the world is what you make of it, not what you read in books.

It takes a lot of courage to show your dreams to someone else.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

There are things known and there are things unknown, and in between are the doors of perception.

Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.

There are no eternal facts, as there are no absolute truths.

Intellectuals solve problems, geniuses prevent them.

Instinct is a marvellous thing. It can neither be explained nor ignored.

Wisdom... comes not from age, but from education and learning.

This is something basic to be understood: the ego must come to a peak, it must be strong, it must have attained an integrity only then can you dissolve it.

Tact is the knack of making a point without making an enemy.

Every aquarium will eventually leak.

The greatest of all mistakes is to do nothing because you think you can only do a little

You are braver than you believe, stronger than you seem, and smarter than you think.

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more

What can't be cured must be endured.

Never do anything when you are in a temper, for you will do everything wrong.

The noblest pleasure is the joy of understanding.