"Most of the shadows of this life are caused by standing in one's own sunshine."
- Ralph Waldo Emerson




The happiness of your life depends upon the quality of your thoughts.
- Marcus Aurelius

The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes.
- William James




Formerly, when religion was strong and science weak, men mistook magic for medicine; now, when science is strong and religion weak, men mistake medicine for magic.
- Thomas Szasz



One makes mistakes; that is life. But it is never a mistake to have
loved.
--Romain Rolland


Here is my first principle of foreign policy: good government at home.
--William Ewart Gladstone

One does not ask of one who suffers: What is your country and what is
your religion? One merely says: You suffer, that is enough for me...
--Louis Pasteur


"The important thing is this: to be able at any moment to sacrifice what we are for what we could become."
- Charles Du Bos 

Source:
http://en.wikiquote.org