Mankind has grown strong in eternal struggles and it will only perish through eternal peace.
The vast upheaval of the World War set in motion forces that will either destroy civilization or raise mankind to undreamed of heights of human welfare and prosperity.
The forces that are driving mankind toward unity and peace are deep-seated and powerful. They are material and natural, as well as moral and intellectual.
A great many things which in times of lesser knowledge we imagined to be superstitious or useless, prove today on examination to have been of immense value to mankind.
It has been wisely observed by the greatest of modern thinkers that mankind has progressed more rapidly in every other respect than in morality.
To think ill of mankind and not wish ill to them, is perhaps the highest wisdom and virtue.
To a superior race of being the pretensions of mankind to extraordinary sanctity and virtue must seem... ridiculous.
Do not commit the error, common among the young, of assuming that if you cannot save the whole of mankind you have failed.
Thought is the wind, knowledge the sail, and mankind the vessel.
It is a mistake to think that we can control the breeding of mankind in the long run by an appeal to conscience.
I'm quite sure that all true professional artists, of every description, in all walks of life, whether their craft is painting, music, sculpture, medicine or anything, have one primary concern - mankind.
The sacred rights of mankind are not to be rummaged for among old parchments or musty records. They are written, as with a sunbeam, in the whole volume of human nature, by the hand of the divinity itself; and can never be erased.
Mankind are apt to be strongly prejudiced in favor of whatever is countenanced by antiquity, enforced by authority, and recommended by custom.
The end of science is not to prove a theory, but to improve mankind.
This devil loves mankind because men are going to always make the choice that will send him into ascendancy. He's been winning the game for a long time.