礼儀正しくすると得である。の英語

It pays to be polite.

observe proper decorum

White lies are morally excusable.

It is hard for an empty sack to stand straight.

acceptance as true or valid

get a fair [square] deal

with all ceremonies

precisely so

Honesty will pay in the long run.

the condition of being honest and faithful

morally justified

Fine manners need a full stomach.

in a decent and morally reputable manner

in a proper and decorous manner

get a square deal

Do that which is right.

Living properly is to learn.

It appears to me that you are right.

A man must be honest.

Honesty seems to be rather at a discount today.

to be correct yet reasonable concerning a matter

the state of being correct and just

the act of doing the right thing

strictly correctly

One must be well fed before one can be well bred

Well-fed, well-bred

Good feeding before good breeding

Bread before breeding.

Well fed, well bred.

One must have bread before one can be well bred