In all affairs， it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.

解读：不劳而获、投机取巧所得快乐转瞬即逝，唯有持续付出汗水与心血，攻克难题、实现目标，由此产生的快乐才扎实、长久，激励踏实奋斗。

True intelligence is about making machines understand human intentions, not making humans adapt to machines.

你不能对任何事情设限。梦想越多，走得越远。

孔子说：“《关雎》这篇诗，快乐却不淫秽，悲哀却不伤痛。”