A man whose mind feels that it is captive would prefer to blind himself to the fact. But if he hates falsehood, he will not do so; and in that case he will have to suffer a lot. He will beat his head against the wall until he faints. He will come to again

A right which goes unrecognized by anybody is not worth very much.

The contemporary form of true greatness lies in a civilization founded upon the spirituality of work.

The joy of learning is as indispensable in study as breathing is in running. Where it is lacking there are no real students, but only poor caricatures of apprentices who, at the end of their apprenticeship, will not even have a trade.

Everything which originates from pure love is lit with the radiance of beauty.

Human existence is so fragile a thing and exposed to such dangers that I cannot love without trembling.

One could count on one's fingers the number of scientists throughout the world with a general idea of the history and development of their particular science: there is none who is really competent as regards sciences other than his own. As science forms an indivisible whole, one may say that there are no longer, strictly speaking, scientists, but only drudges doing scientific work.