Although I have a regular work schedule, I take time to go for long walks on the beach so that I can listen to what is going on inside my head. If my work isn’t going well, I lie down in the middle of a workday and gaze at the ceiling while I listen and visualize what goes on in my imagination.

Be a loner. That gives you time to wonder, to search for the truth. Have holy curiosity. Make your life worth living.

I am a real lone wolf who has never wholeheartedly belonged to the State, to my country, my circle of friends and not even to my family but who, despite all these bonds, has constantly experienced a feeling of strangeness and the need for solitude.

What is right is not always popular and what is popular is not always right.

As far as the laws of mathematics refer to reality, they are not certain, as far as they are certain, they do not refer to reality.

I soon learned to scent out what was able to lead to fundamentals and to turn aside from everything else, from the multitude of things that clutter up the mind.

Not everything that counts can be counted, and not everything that can be counted counts. 

Wisdom is not a product of schooling but of the lifelong attempt to acquire it.

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

To punish me for my contempt for authority, fate made me an authority myself.

The true sign of intelligence is not knowledge but imagination.

If the facts don’t fit the theory, change the facts.

Where there’s a will there’s a way.

Try not to become a man of success but rather to become a man of value.

No problem can be solved from the same level of consciousness that created it.

The most incomprehensible thing about the world is that it is at all comprehensible.

The only source of knowledge is experience.

Don’t listen to the person who has the answers; listen to the person who has the questions.

The value of a man should be seen in what he gives and not in what he is able to receive.

Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius, and a lot of courage, to move in the opposite direction.

Weak people revenge. Strong people forgive. Intelligent people ignore.

The value of achievement lies in the achieving.