Be not angry that you cannot make others as you wish them to be, since you cannot make yourself as you wish to be. - Thomas à Kempis

My Son, beware thou dispute not of high matters and of the hidden judgments of God; why this man is thus left, and that man is taken into so great favour; why also this man is so greatly afflicted, and that so highly exalted. These things pass all man’s power of judging, neither may any reasoning or disputation have power to search out the divine judgments. When therefore the enemy suggesteth these things to thee, or when any curious people ask such questions, answer with that word of the Prophet, Just art Thou, O Lord, and true is Thy judgment, and with this, The judgments of the Lord are true, and righteous altogether. My judgments are to be feared, not to be disputed on, because they are incomprehensible to human understanding.

Peace is ever with the humble man, but in the heart of the proud there is envy and continual wrath.

Occasions of adversity best discover how great virtue or strength each one hath. For occasions do not make a man frail, but they show what he is.