YOU SAID:

I think people are nice for the most part

INTO JAPANESE

私は人々がほとんどの部分でいいと思います

BACK INTO ENGLISH

I think people are good for the most part

INTO JAPANESE

人は大体良いと思います

BACK INTO ENGLISH

I think people are generally good

INTO JAPANESE

人々は一般的に良いと思います

BACK INTO ENGLISH

I think people are generally good