知足者最富有，因為知足是自然的財富。
學(xué)得越多，知道得越多；知道得越多，忘記得越多；忘記得越多，知道得越少。那么，為什么要學(xué)習(xí)呢？
The struggle itself towards the heights is enough to fill a man's heart. One must imagine Sisyphus happy.
The real way of living is to answer to one’s wants.
Innovation often happens at the boundaries of different fields.