YOU SAID:

if you be kind to other people people will be kind to you

INTO JAPANESE

あなたが他の人に優しくすれば、他の人もあなたに優しくしてくれるでしょう

BACK INTO ENGLISH

If you are kind to others, others will be kind to you.

INTO JAPANESE

あなたが他人に親切であれば、他の人もあなたに親切にしてくれるでしょう。

BACK INTO ENGLISH

If you are kind to others, others will be kind to you.