Always stand on principle even if you stand alone.

Always vote for principle, though you may vote alone.

Always vote for principle, though you may vote alone, and you may cherish the sweetest reflection that your vote is never lost.

Then on the shore Of the wide world I stand alone, and think Till love and fame to nothingness do sink

According to the Stoics, all vice was resolvable into folly: according to the Christian principle, it is all the effect of weakness.

Stand up to injustice, even if you stand alone