"That which is done out of love is always beyond good and evil" - Nietzsche
"We are what we repeatedly do. Excellence, then, is not an act, but a habit." - Aristotle
"It is better to do one's own duty, however defective it may be, than to follow the duty of another, however well one may perform it. He who does his duty as his own nature reveals it, never sins." - Lao Tzu
"Experience without theory is blind, but theory without experience is mere intellectual play." - Kant
"The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt".
Bertrand Russell