He is a good friend that speaks well of us behind our backs.
Friends (the best of friends) must part.
A friend is best found in adversity.
I will be thy friend, but not thy vices' friend.
False friends are worse than open enemies.
Short acquaintance brings repentance.
He that lies down (sleeps) with dogs must rise up with fleas.
Better be alone than in bad company.
Write down the advice of him who loves you, though you like it not at present.
Hunger knows no friend.
Misery makes strange bedfellows.
One enemy can do more hurt than ten friends can do good.
An enemy's mouth seldom speaks well.
Believe no tales from the enemy.
One enemy is too much.
Mickle power makes many enemies.
Do not despise your enemy.
Though thy enemy seem a mouse, yet watch him like a lion.
If we are bound to forgive an enemy, we are not bound to trust him.
He that dallies with enemy gives him leave to kill him.
In an enemy spots are soon seen.
Live and let live.
As a man lives, so shall he die.
We are not born for ourselves.
He that hath time hath life. (来源：英语麦当劳－英语快餐EnglishCN.com)
He that lives long suffers much.
They who live longest will see most.
He was born with a silver spoon in his mouth.
A man can die but once.
He that liveth in court dieth upon straw.
He that liveth wickedly can hardly die honestly.
Death pay all debts.
Six feet of earth makes all men equal.
Death is the grand leveller.
Death meets us everywhere.
Death frees us from ills.
We shall lie all alike in our graves.
In the grave the rich and poor lie equal.
Death defies the doctor.
There is no medicine against death.
Light come, light go.
Sometimes gain is to lose.
Merry is he that hath nought to lose.
Grasp all, lose all.
What we lose in hake we shall have in herring.
What is lost in the hundred will be found in the shire.
For a lost thing care nothing.
He who does not gain loses.
Losses make us more cautious.
Who loseth liberty loseth all.
Either win the horse or lose the saddle.
All is not lost that is in danger.