“No man is useless while he has a friend.” — Robert Louis Stevenson

“In the beginning of a change the patriot is a scarce man, and brave, and hated and scorned. When his cause succeeds, the timid join him, for then it costs nothing to be a patriot.” — Mark Twain

“Most people ask for happiness on condition. Happiness can only be felt if you don’t set any condition.” — Arthur Rubinstein

“The question of whether a computer can think is no more interesting than the question of whether a submarine can swim.” — E. W. Dijkstra