To render aid to the worthless is sheer waste. Rain does not freshen the Dead Sea, but only enables it to dissolve more salt.

Some young folks have wind-fall minds, prematurely detached from the tree of knowledge for a life-long sourness and pettiness.

Evolution pays and that is why there is evolution

Doubt is the beginning, not the end, of wisdom.

Nothing cools so fast as undue enthusiasm. Water that has boiled freezes sooner than any other.

Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.

Discovery begins by finding the discoverer.