The scientific man does not aim at an immediate result. He does not expect that his advanced ideas will be readily taken up. His work is like that of the planter - for the future. His duty is to lay the foundation for those who are to come, and point the way.Nikola Tesla
Rhetoric is a poor substitute for action, and we have trusted only to rhetoric. If we are really to be a great nation, we must not merely talk; we must act big.Theodore Roosevelt
It is impossible to overlook the extent to which civilization is built upon a renunciation of instinct.Sigmund Freud
