Do not allow yourselves to be deceived: Great Minds are Skeptical.

All truly great thoughts are conceived by walking.

One can lie with the mouth, but with the accompanying grimace one nevertheless tells the truth.

In heaven, all the interesting people are missing.

That which an age considers evil is usually an unseasonable echo of what was formerly considered good - the atavism of an old ideal.

There is no more dangerous error than that of mistaking the consequence for the cause.

A physician who treated me as a nervous case for a while said in the end "No! It is not a matter of your nerves; it is I who am nervous".