现在数学家面临的最大问题可能是黎曼假设。
天文学的历史是一部视野不断扩展的历史。
爱是脆弱的,你必须像对待生命体一样呵护它,否则它会消失。
城市是一个活生生的有机体,不断进化。
The individual investor should act consistently as an investor and not as a speculator.
你将学到的最伟大的事情就是去爱并被爱回报。
No one has ever written or painted, sculpted, modeled, built, or invented except literally to get out of hell.