Your most unhappy customers are your greatest source of learning.
People are cruelest to those they love.
The truth is not always what it seems, and sometimes it is better not to know it.
The only way to understand another culture is to assume the frame of reference of that culture.
一旦我们意识到不完美的理解是人类的条件，那么犯错并不可耻，可耻的是未能纠正我们的错误。
You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.