I think that a positive attitude and an honest heart makes someone beautiful.

Even when they look good on the surface, I can't feel attractions without insidener beauty.

Is my think too youway of thinking wrong?

I've been trying to polishimroive my mind to be a good man.

I think a positive attitude and an honest heart makes someone beautiful.

Even if they look good on the surfacoutside, I can't feel attractions without insidener beauty.

More natural when speaking about a person

Is my thinking too young?

I've been trying to polish my mind to be a good man.

There's nothing wrong with your English here, but it would sound a bit unusual ("polish my mind"). A similar phrase might be, "I've been self-reflecting with the aim of becoming a better person."

I think a positive attitude and an honest heart makes someone beautiful.

match listings, match verb tenses

Even if they look good on the surface, I can't feel any attractions without inside beauty.

Is my thinking too youngnaive?

I've been trying to polish my mind to be a good man.

Even if they look good on the surface, I can't feel attractions without insidener beauty.

Here "inner" is the correct word

Is my thinking too youngnaive?

"Naive" has connotations of being young and inexperienced. I think this is a word that captures what you intended to say.

I've been trying to polish my mindbetter myself in order to be a good man.

"Polish my mind" feels like an unusual phrase, so I substituted it for a more common one with the same theme. People often talk about bettering themselves.