Don’t cut off your nose to spite your face.
不要搬起石头砸自己的脚.
A man is known by the company he keeps.
察其友,知其人.
Faith will move mountains.
精诚所至,金石为开.
No man is indispensable.
地球少了谁都转.
There is safety in numbers.
人多势众.
All good things must come to an end.
天下没有不散的筵席.
Honesty is the best policy.
诚信为上策.
One good turn deserves another.
善有善报.
Spare the rod and spoil the child.
不打不成器.
Curiosity killed the cat.
好奇心让猫把命丢掉.（不要刨根问底）