The best time to plant a tree was 20 years ago. The second best time is now.
Success is not about being the biggest, but about being the best at what you do.
大自然是一位了不起的老师,只要我们耐心观察,她就会向我们揭示她的秘密。
真正的挑战不是种得更多,而是用更少的资源种得更好。