Happiness is secured through virtue; it is a good attained by man's own will.
I’m not a pessimist. I’m an optimist trained in pessimism.
Poetry is not a luxury, but a necessity.
A good person will follow the rules, a great person will follow himself.
It seems to me that if you or I must choose between two courses of thought or action, we should remember our dying and try so to live that our death brings no pleasure to the world.
船舶自动转向的引入是一个稳定性问题，而非准确性问题。