Secrecy is the soul of all great designs.

Fashions smile has given wit to dullness and grace to deformity, and has brought everything into vogue, by turns, but virtue.

Style is indeed the valet of genius, and an able one too; but as the true gentleman will appear, even in rags, so true genius will shine, even through the coarsest style.

The excess of our youth are checks written against our age and they are payable with interest thirty years later.

Subtract from the great man all that he owes to opportunity, all that he owes to chance, and all that he gained by the wisdom of his friends and the folly of his enemies, and the giant will often be seen to be a pygmy.

The greatest friend of truth is Time, her greatest enemy is Prejudice, and her constant companion is Humility.

He that knows himself, knows others; and he that is ignorant of himself, could not write a very profound lecture on other men's heads.