Spend as much time crafting the subject line of an email as the message itself because the subject line is often the only thing people read.
歷史不僅僅是關(guān)于過去；它是關(guān)于過去如何塑造未來。
The connection between Galois groups and automorphic forms is one of the most profound mysteries in mathematics.
We suffer, therefore we think.
Brave doesn't mean you're not scared. It means you go on even though you're scared.