"The dead are invisible, they are not absent."
死者是看不见的，但他们并不缺席。
人生は、選択の連続である。
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
只要做一次别人说你做不到的事，你就再也不会在意他们的限制了。
林业的真正领导力意味着超越利润，首先考虑地球。
The greatest tragedy of humanity is not death, but the loss of dignity.
Learning makes wise, but does not make happy.