Always look for the positive in every situation.

What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.

大自然造就了人们在身体和心智的才能上如此相等，以至于尽管有时候可能会有一个人明显在身体上更强壮，或者在思维上更敏捷，但总结一切，人与人之间的差异并不是如此重大，以至于一个人可以因此而主张自己有权享受任何另一个人也可以同样主张的权益。

Small, deliberate actions practiced consistently can lead to big changes in happiness levels.

林业的未来属于那些将树木视为生命系统而不仅仅是立木库存的人。