"The only way to survive is to disappear."
The best way to learn mathematics is to do mathematics.
世界不是由思想或想象力运行的，而是由意见运行的。
No man is free who is not a master of himself.
你说得越多，就越有可能说些愚蠢的话。
Grief is the price we pay for love.
没有美德的地方就没有荣耀。