Romans 14:1, 4, 12, 22

And him who is weak in the faith receive ye — not to determinations of reasonings

Thou — who art thou that art judging another's domestic? to his own master he doth stand or fall; and he shall be made to stand, for God is able to make him stand.

so, then, each of us concerning himself shall give reckoning to God

Thou hast faith! to thyself have [it] before God; happy is he who is not judging himself in what he doth approve