From such crooked wood as that which man is made of, nothing straight can be fashioned. Immanuel Kant
The only thing that will redeem mankind is cooperation. Bertrand Russell
Mankind are governed more by their feelings than by reason. Samuel Adams
Mankind is divisible into two great classes: hosts and guests. Sir Max Beerbohm
If mankind had wished for what is right, they might have had it long ago. William Hazlitt
I hate mankind, for I think myself one of the best of them, and I know how bad I am. Samuel Johnson
We shall require a substantially new manner of thinking if mankind is to survive. Albert Einstein
An inability to stay quiet is one of the conspicuous failings of mankind. Walter Bagehot
Man is distinguished from all other creatures by the faculty of laughter. Joseph Addison
Man is a political animal. Aristotle.