You must treat others with sincerity, and others will reciprocate with sincerity - Li Ka-shing

If he does not know his own human dignity, he will be completely unable to respect the dignity of others. —— Schiller

Believe in yourself first, and then others will believe in you. ---Turgenev

You should be zealously committed to acting morally rather than talking about morality ---Democritus

If the motherland is in trouble, you should be the vanguard. . ——Chen Yi