Consciousness of myself, combined with complete ignorance of everything that does not fall within my sphere of thinking, is the most telling proof of my substantiality outside God, of my original existence.

The principal axiom in their theory was: Everything can be proved, and everything can be disproved; and in the process, one must profit as much from the folly of others, and from his own superiority, as he can.

When Socrates was about 30, and his father was long dead, he was still pursuing the art of sculpture, but from necessity, and without much inclination.

Moses Mendelssohn Quotes