子曰：“乐而不淫，哀而不伤。”
【译文】 孔子说：“《关雎》这篇诗，快乐却不淫秽，悲哀却不伤痛。”
Technology gives us precision in forestry operations, but wisdom tells us where and when to apply it.
I love to challenge myself and push myself to the limit.
The interplay between analysis and algebra is the driving force behind many breakthroughs in number theory.
I'm not here to be liked; I'm here to be heard.
一个人独处要超脱，与别人共处要和蔼；没有事时享受闲适；有了事情要果断；得意时要显出淡泊，失意时要安然处之。