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我一直认为拥有愿景并坚持下去很重要。
I always thought it was important to have a vision and to persist.
You have to spend some energy and effort to see the beauty of math.
君主对于有才能的贤良之人应当抬举,让他处于尊位,富贵绵长;对于没有能力且无德的人应当废弃,让他贫困低贱,成为受驱使的奴仆。