理性之光不同于自然之光。
The light of reason is different from the light of nature.
True leadership means making tough decisions today that will benefit generations tomorrow.
理性不在于正确,而在于信念与行动的一致性。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
自然界是无情且不可改变的,它不在乎其隐藏的原因和行为是否能为人类所理解。