Whatever we succeed in doing is a transformation of something we have failed to do. Thus, when we fail, it is only because we have given up.

We hope vaguely but dread precisely.

What Degas called 'a way of seeing' must consequently bear a wide enough interpretation to include way of being, power, knowledge, and will.

Let us enrich ourselves with our mutual differences.

Science means simply the aggregate of all the recipes that are always successful. All the rest is literature.

The purpose of psychology is to give us a completely different idea of the things we know best.

The future, like everything else, is no longer quite what it used to be.