Laughter and tears are both responses to frustration and exhaustion. I myself prefer to laugh, since there is less cleaning up to do afterward.

The heart is a lonely hunter.

"The learn-it-all does better than the know-it-all."

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

创新不是一蹴而就的，而是需要持续不断的努力和坚持。

生活是世界上最罕见的事情。大多数人只是存在，仅此而已。