如果人生能像初次见面那样美好,就不会有后来的离别和悲伤。
从有限数据中泛化的能力是有效学习算法的标志。
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.