可以幫我把這3句話翻譯成英文嗎？

1 Insanity are not bad,

It's better to be a positive insanity..

2 Knowledge is like a fire extinguisher. You  don't know when it will be used.

3 Face the real existence ; and recognize the bright and valuable side of the world

1) It's not bad to be insane, but it'll be even better to be a positive one.
2) Knowledge is like a fire extinguisher, you'll never know when it would come.
3) Face the truth, and also know the bright world.