First keep the peace within yourself, then you can also bring peace to others. - Thomas à Kempis

Look well unto thyself, and beware that thou judge not the doings of others. In judging others a man laboureth in vain; he often erreth, and easily falleth into sin; but in judging and examining himself he always laboureth to good purpose.

So long as we carry about with us this frail body, we cannot be without sin, we cannot live without weariness and trouble.

That we must give ourselves to humble works when we are unequal to those that are lofty