To me the sole hope of human salvation lies in teaching.

Cruelty would be delicious if one could only find some sort of cruelty that didn't really hurt.

It is long and hard and painful to create life: it is short and easy to steal the life others have made.

There are no perfectly honorable men; but every true man has one main point of honor and a few minor ones.

Do you think that the things people make fools of themselves about are any less real and true than the things they behave sensibly about? They are more true: they are the only things that are true.

The only power a god can teach is the power of doing without happiness.

Atrocities are not less atrocities when they occur in laboratories and are called medical research.