A man who is ignorant of foreign languages is ignorant of his own. Goethe.
A man who reads much becomes arrogant and 50 pedantic; one who sees much becomes wise, sociable, and helpful. Lichtenberg.
A man will love or hate solitude—that is, his own society—according as he is himself worthy or worthless. Schopenhauer.
A man will not be observed in doing that which he can do best. Emerson.
A man with half a volition goes backwards and forwards, and makes no way on the smoothest road. Carlyle.
A man with knowledge but without energy, is a house furnished but not inhabited; a man with energy but no knowledge, a house dwelt in but unfurnished. John Sterling.
A man's a man for a' that. Burns. 55
A man's aye crousest in his ain cause. Sc. Pr.
A man's best fortune or his worst is his wife. Pr.
A man's best things are nearest him, / Lie close about his feet. Monckton Milnes.