"I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use." - Galileo Galilei.
"You reap what you sow, Artyom: force answers force, war breeds war, and death only brings death. To break this vicious circle one must do more than act without thought or doubt." -Khan, Metro 2033
"Throughout history, it has been the inaction of those who could have acted; the indifference of those who should have known better; the silence of the voice of justice when it mattered most; that has made it possible for evil to triumph." - Haile Selassie.
"On the mountains of truth you can never climb in vain; either you will reach a point higher up today, or you will be training your powers so that you will be able to climb higher tomorrow." - Friedrich Nietzsche.
"The only thing we have to fear is fear itself; nameless, unreasoning, unjustified terror which paralyses needed efforts to convert retreat into advance." - Franklin Delano Roosevelt.