Yí gè yǒu sùzhì de rén bú huì kànbuqǐ rènhé zhíyè.
A person of good character never looks down on any profession.
Tips
usage
看得起 (respect) is almost always used in its negative form 看不起 (to look down on/despise). 看不起人 is a very common expression. The positive 看得起 usually appears in the pattern 你看得起我 = 'you think I'm worthy.'