Patriotism, when it wants to make itself felt in the domain of learning, is a dirty fellow who should be thrown out of doors.

Personal courage is really a very subordinate virtue-a virtue, indeed, in which we are surpassed by the lower animals; or else you would not hear people say, as brave as a lion.

It is a clumsy experiment to make; for it involves the destruction of the very consciousness which puts the question and awaits the answer.

The greatest achievements of the human mind are generally received with distrust.

...in the end every one stands alone, and the important thing is who it is that stands alone.

A sense of humour is the only divine quality of man

I owe what is best in my own development to the impression made by Kant's works, the sacred writings of the Hindus, and Plato.