Rate the task above the prize; will not the mind be raised? Fight thine own faults, not the faults of others; will not evil be mended?
Keep it simple and focus on what matters. Don't let yourself be overwhelmed.
Who contains himself goes seldom wrong.
It's only in winter that the pine and cypress are known to be evergreens.
Bird in hand makes it harder to blow nose.
Isn't it a pleasure to study and practice what you have learned? Isn't it also great when friends visit from distant places? If one remains not annoyed when he is not understood by people around him, isn't he a sage?