The night is a great symphony, but the stars are its notes.
God only rarely reveals the future. When he does so, it is for one reason: it's a future that was written so as to be altered.
Never stop learning—the moment you do, you fall behind.
在没有其他信息的情况下,参数的最佳估计是其样本值。
一个人的伟大不在于他获得了多少财富,而在于他的正直和他积极影响周围人的能力。