The true value of a forest cannot be measured in board feet alone; its worth is in the life it sustains.
森林的真正价值不能仅用木材体积来衡量；它的价值在于它所维持的生命。
"To write is to remember, and to remember is to live twice."
The future of machine learning lies in the development of algorithms that can learn from fewer examples and generalize more effectively.
译文：月亮过了十五后，就逐渐不明亮了，人到了中年之后，做什么事都难以有大作为。赏析：青少年是人生最美好的时期，这个时期精力最旺盛，记忆力最强，也是人生最该努力奋斗的时候。