每个移民都携带着一个看不见的记忆行李箱。
Every immigrant carries an invisible suitcase of memories.
新一代森林领导者必须像熟悉利润率一样熟悉生物多样性指标。
领导力的作用是产生更多的领导者，而不是更多的追随者。
我不是那种会让对拼搏的热爱减少的人。
Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.
He who plants a tree plants a hope.