on the inside
inside, within, inwardly, internally, interiorly, innerly
Antonym: on the outside
The more perfect a person is on the outside, the more demons they have on the inside. Sigmund Freud
I like people and I like them to like me, but I wear my heart where God put it, on the inside. F. Scott Fitzgerald
You will never cease to be the most amazed person on earth at what God has done for you on the inside. Oswald Chambers
As beautiful as Halle is on the outside, she's 10 times more beautiful on the inside. Halle Berry
Priest on the outside, Satan on the inside. Armenian Proverb
Marriage is like a besieged castle; those who are on the outside wish to get in; and those who are on the inside wish to get out. Arabic Proverb