The most dangerous kind of waste is the waste we do not recognize.
人生而自由,却无处不在地受着枷锁。
数学的本质在于其自由性。
A red rose is not selfish because it wants to be a red rose. It would be horribly selfish if it wanted all the flowers in the garden to be both red and roses.
Fear is a powerful motivator, but it's also a liar.