Adversity is the only balance to weigh friends. - Plutarch

When a man's eyes are sore his friends do not let him finger them, however much he wishes to, nor do they themselves touch the inflammation: But a man sunk in grief suffers every chance comer to stir and augment his affliction like a running sore; and by reason of the fingering and consequent irritation it hardens into a serious and intractable evil.

Best rear no lion in your state, ’tis true; But treat him like a lion if you do.

Pile up gold, heap up silver, build covered walks, fill your house with slaves and the town with debtors, unless you lay to rest the passions of the soul, and put a curb on your insatiable desires, and rid yourself of fear and anxiety, you are but pouring out wine for a man in a fever, and giving honey to a man who is bilious, and laying out a sumptuous banquet for people who are suffering from dysentery,