look before you leap. 三思而後行。
things done can not be undone. 覆水難收。
provide for the worst, the best will save itself. 做最壞的準備，可以得到做好的結果。
life is not just being alive, but being well. 生活不是為了活著，而是為了活得更精彩。
a fall into the pit, a gain in your wit. 吃一塹，長一智。
to wait for luck is the same thing as waiting for death. 等待走運無異於等待死亡。
misfortunes never come alone. 禍不單行。
fortune is easily found, but practice is the key to it. 知識是一座寶庫，而實踐是打開寶庫的鑰匙。
all for one, one for all. 人人為我，我為人人。
there is no royal road to learning. 求學沒有坦途。
learning without thought is useless; though without learning is dangerous. 學而不思則罔；思而不學則殆。
every coin has its two sides. 每個硬幣都有兩面；事情都有兩面性。