The only merit I have is to have painted directly from nature.

记忆是脆弱的——容易被扭曲，容易丢失。

爱和争斗的对立统一是宇宙中永恒的动力。

The only thing worse than training employees and losing them is not training them and keeping them.

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."