Now, since everything else is furnished with the exact amount of needle and thread required to maintain its being, it is in truth incredible that we alone should be brought into the world in a defective and indigent state, in a state such that we cannot maintain ourselves without external aid.

Don't discuss yourself, for you are bound to lose; if you belittle yourself, you are believed; if you praise yourself, you are disbelieved.

Aesop, that great man, saw his master making water as he walked. "What!" he said, "Must we void ourselves as we run?" Use our timeas best we may, yet a great part of it will still be idly and ill spent.

Pleasure itself is painful at the bottom.

If by being overstudious, we impair our health and spoil our good humor, let us give it up.

I do not teach. I relate.

Whenever a new finding is reported to the world people say - It is probably not true. Later on, when the reliability of a new finding has been fully confirmed, people say - OK, it may be true but it has no real significance. At last, when even the significance of the finding is obvious to everybody, people say - Well, it might have some significance, but the idea is not new.