不变的真理、事实

Practice makes perfect. 熟能生巧。

Haste makes waste. 忙中有错。

Knowledge is power. 知识就是力量。

Look before you leap. 三思而后行。

The early bird catches the worm. 早起的鸟儿有虫吃。

Where there is a will, there is a way. 有志者事竟成。