You shouldn't have such incaution.

你不应该这样粗心大意。

The boy is clever and study hard, but he often make mistake because of his incaution.

这个男孩聪明好学，但另一方面又粗心大意，经常出错。

Fools make feasts and wise man eat them. Be careful, If you incaution you should be next one, Do you know no every one are necessarily Buddha.

愚者设宴，智者享之。小心一点，如果你粗心大意你将会是下一个，你知道不是每个人都是菩萨。