Appetite, with an opinion of attaining, is called hope; the same, without such opinion, despair.

Opinion of ghosts, ignorance of second causes, devotion to what men fear, and talking of things casual for prognostics, consisteth the natural seeds of religion

That wee have of Geometry, which is the mother of all Naturall Science, wee are not indebted for it to the Schools.

A wise man should so write (though in words understood by all men) that wise men only should be able to commend him.

A man's conscience and his judgment is the same thing; and as the judgment, so also the conscience, may be erroneous.

Science is the knowledge of consequences, and dependence of one fact upon another.

Geometry is the only science that it hath pleased God hitherto to bestow on mankind.