The balls of sight are so formed, that one man's eyes are spectacles to another, to read his heart with.

A wise man is cured of ambition by ambition itself; his aim is so exalted that riches, office, fortune and favour cannot satisfy him.

A generous and elevated mind is distinguished by nothing more certainly than an eminent degree of curiosity.

Since every man is obliged to promote happiness and virtue, he should be careful not to mislead unwary minds, by appearing to set too high a value upon things by which no real excellence is conferred.

No man tells his opinion so freely as when he imagines it received with implicit veneration.

Genius is that energy which collects, combines, amplifies, and animates.

Prejudice, not being founded on reason, cannot be removed by argument.