Someone once told me that never underestimate anyone who doesn't lose temper.

有人曾经对我说：永远不要小看一个不发脾气的人。

This kind of people usually possess great capacity.

这样的人通常深不可测。

They can be really resourceful friends.

他们可以成为你长袖善舞的朋友。

And they can be really fierce enemies.

也可以成为你可怕的敌人。

Humans are emotional animals.

人类是一种感情动物。

It's our nature to have temper.

脾气是我们的天性。

And it's totally natural to lose it when something or somebody irritates us.

而当有什么激怒我们的时候，发脾气也是完全自然的事情。

But there are people who don't.

但是，就是有些人能做到不发。

And that's a fearsome skill.

这真的是一种令人生畏的技能。

The more incompetent¹ a person is, the easier he is to get angry.

一个人越是无能，就越是容易动怒。

The stronger a person is, the less you see him throw away his calmness.

而一个人越是强大，你就越少能看到他失控。

Can you hold your temper?

你能管住自己的脾气吗？

If you want to achieve great things. Practice to do so.

如果你希望做成大事，就练习这么做吧。