All lyrical work must, as a whole, be perfectly intelligible, but in some particulars a little unintelligible.

A correct answer is like an affectionate kiss.

Everything factual is, in a sense, theory. The blue of the sky exhibits the basic laws of chromatics. There is no sense in looking for something behind phenomena: they are theory.

Energy is the basis of everything. Every Jew, no matter how insignificant, is engaged in some decisive and immediate pursuit of a goal... It is the most perpetual people of the earth.

The threshold is the place of expectation.

I call architecture frozen music.

Can a sparrow know how a stork feels?