A man can only attain knowledge with the help of those who possess it. This must be understood from the very beginning. One must learn from him who knows. George Gurdjieff
A man in my situation, my lords, has not only to encounter the difficulties of fortune. and the force of power over minds which it has corrupted or subjugated. but the difficulties of established prejudice: the man dies, but his memory lives. Robert Emmet
A man is as old as his arteries and his interests. If he permits his economic, religious, or social arteries to harden, or loses interest in whatever concerns mankind... he will need only six feet of earth. Josephus Daniels
A man is ethical only when life, as such, is sacred to him, that of plants and animals as that of his fellow men, and when he devotes himself helpfully to all life that is in need of help. Albert Schweitzer
A man is truly ethical only when he obeys the compulsion to help all life which he is able to assist, and shrinks from injuring anything that lives. Albert Schweitzer
A man lives not only his personal life, as an individual, but also, consciously or unconsciously, the life of his epoch and his contemporaries. Thomas Mann
A man may imagine things that are false, but he can only understand things that are true, for if the things be false, the apprehension of them is not understanding. Isaac Newton
A man must love a thing very much if he not only practices it without any hope of fame and money, but even... without any hope of doing it well. Oliver Herford