Let whoever can do so deceive me, he will never bring it about that I am nothing, so long as I continue to think I am something.

It is not enough to have a good mind. The main thing is to use it well.

If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

You just keep pushing. You just keep pushing. I made every mistake that could be made. But I just kept pushing.

Except our own thoughts, there is nothing absolutely in our power.

Each problem that I solved became a rule, which served afterwards to solve other problems.

To live without philosophizing is in truth the same as keeping the eyes closed without attempting to open them.

I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen

Common sense is the most widely shared commodity in the world, for every man is convinced that he is well supplied with it.

There is nothing more ancient than the truth.

With me, everything turns into mathematics.

When they have opened you up like a ripe fruit they devour your juices and then spit you out like the seed.

And we convict almost every case, she thinks, because the law requires us to prosecute them for living their way of life.

Sarcasm is when you tell someone the truth by lying on purpose.

I let go usually by talking to many people in different areas, in different realms of life that make me look at what I'm dealing with as being small fries stuff, you know?

The wolf never kills for fun, which is probably one of the main differences distinguishing him from man.

When I passed the Chancellor he arose, waved his hand at me, and I waved back at him. I think the writers showed bad taste in criticizing the man of the hour in Germany.

Genius must be born, it can't be taught.

I remain the optimist: you just do your best and hope for the best. But it's an evolving state of mind.

It was the touch of the imperfect upon the would-be perfect that gave the sweetness, because it was that which gave the humanity

But such is the irresistable nature of truth, that all it asks, and all it wants is the liberty of appearing.