No truly great man ever thought himself so.

He who comes up to his own idea of greatness, must always have had a very low standard of it in his mind. - William Hazlitt,

Great deeds are usually wrought at great risks.

No really great man ever thought himself so. - William Hazlitt,

He who comes up to his own idea of greatness must always have had a very low standard of it in mind

A great chessplayer is not a great man, for he leaves the world as he found it.