Suffering... We owe to it all that is good in us, all that gives value to life; we owe to it pity, we owe to it courage, we owe to it all the virtues.

The books that everybody admires are those that nobody reads.

Custom alone regulates morals.

Never lend books, for no one ever returns them; the only books I have in my library are books that other folks have left me.

Distrust even Mathematics; albeit so sublime and highly perfected, we have here a machine of such delicacy it can only work in vacuo, and one grain of sand in the wheels is enough to put everything out of gear. One shudders to think to what disaster such a grain of sand may bring a Mathematical brain. Remember Pascal.

Truth possesses within herself a penetrating force, unknown alike to error and falsehood. I say 'truth' and you understand my meaning. For the beautiful words truth and justice need not to be defined in order to be understood in their true sense.

In truth man is made rather to eat ices than to pore over old texts.