色不异空，空不异色；色即是空，空即是色。
南怀瑾：色一个字，不单是代表五蕴，连外面宇宙万有形形色色都包在内。……这内外两种色，都是因缘生，无自性，无实体，不可得，根本是性空。现下虽是幻有，毕竟不可得的，所以即色即空，并不是色之外另有个空。
最伟大的胜利来自最艰难的战斗。
Efficiency without ethics is just speed in the wrong direction.
The best fertilizer for any farm is the footsteps of the farmer.
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
We tend to overestimate what we can do in a day， and underestimate what we can achieve in a decade. Miraculous things can be accomplished if you give it ten years. A long game will compound small gains to overcome even big mistakes.