A poem or famous motto about bitterness and pleasure

1. Get happiness from pain. -Roman Roland 2. All the disappointments in fate will be compensated by happiness. Gorky 3. Bao Jianfeng comes from sharpening, and plum blossom fragrance comes from bitter cold. -Proverbs. The tragedy of life lies not in how much people suffer, but in what people miss. -Carlisle's famous saying. Although there are many sufferings in the world, they can always be overcome. Helen Keller. 6. If the sky is a great task for Sri Lankan people, they must first put up with their thoughts, work their bones and muscles, starve their bodies and skin, and be empty. Do whatever you want.