For one believes he may eat all things, but he who is weak eats only vegetables. - Romans 14:2
Accept him whose faith is weak, without passing judgment on disputable matters. One man’s faith allows him to eat everything, but another man, whose faith is weak, eats only vegetables. ... He, who eats meat, eats to the Lord, for he gives thanks to God; and he who abstains, does so to the Lord and gives thanks to God.
Bible Gateway Romans 14 :: NIV - MIT