最好的肥料？是农民田间的足迹。

The only limit to our realization of tomorrow is our doubts of today.

Experience is overrated. When hiring， hire for aptitude， train for skills. Most really amazing or great things are done by people doing them for the first time.

最艰难的决定往往需要在短期收益和长期影响之间取得平衡。