Be thine own palace, or the world's thy jail.
— John Donne

This above all; to thine own self be true.
William Shakespeare thine quote

To thine own self be true, and it must follow, as the night the day, thou canst not then be false to any man.
— William Shakespeare

Look not mournfully into the past, it comes not back again. Wisely improve the present, it is thine. Go forth to meet the shadowy future without fear and with a manly heart.
— Henry Wadsworth Longfellow

If thine enemy offend thee, give his child a drum.
— thine quotation by Unknown