Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. Albert Einstein

If the human race wishes to have a prolonged and indefinite period of material prosperity, they have only got to behave in a peaceful and helpful way toward one another. Winston Churchill

There are no great limits to growth because there are no limits of human intelligence, imagination, and wonder. Ronald Reagan

Our problems are man-made, therefore they may be solved by man. And man can be a s big as he wants. No problem of human destiny is beyond human beings. John F. Kennedy

On the whole, human beings want to be good, but not too good, and not quite all the time. George Orwell

I look only to the good qualities of men. Not being faultless myself, I won't presume to probe into the faults of others. Mohandas Gandhi

All the world's a stage, and all the men and women merely players: they have their exits and their entrances; and one man in his time plays many parts, his acts being seven ages. William Shakespeare

What a piece of work is a man, how noble in reason, how infinite in faculties, in form and moving how express and admirable, in action how like an angel, in apprehension how like a god. William Shakespeare

If we have no peace, it is because we have forgotten that we belong to each other. Mother Teresa

The education and empowerment of women throughout the world cannot fail to result in a more caring, tolerant, just and peaceful life for all. Aung San Suu Kyi

Our humanity rests upon a series of learned behaviours, woven together into patterns that are infinitely fragile and never directly inherited. Margaret Mead

Humanity needs practical men, who get the most out of their work, and, without forgetting the general good, safeguard their own interests. But humanity also needs dreamers, for whom the disinterested development of an enterprise is so captivating that it becomes impossible for them to devote their care to their own material profit. Marie Curie