The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

【译文】 孔子说：“我不是天生就有学问的，只是个喜欢读书、勤奋敏捷地追求知识的人。”

解释：大多数果实都带有酸味，而覆盆子却是甘甜的，体现了中药味道的多样性。