请将这些英文句子用英文解释一下

Actions speak louder than words.
事实胜于雄辩。
A bad beginning makes a bad ending.
不善始者不善终。
A bird in the hand is worth than two in the bush.
一鸟在手胜过双鸟在林。
Adversity makes a man wise, not rich.
逆境出人才。
A fall into a pit, a gain in your wit.
吃一堑，长一智。

相关了解……