The only safe thing is to take a chance.
不可以同井底的青蛙谈论大海的辽阔,因为有空间的拘束;不可以同夏天的小虫谈论冰冻的寒冷,因为有时节的局限。
When we protect biodiversity, we're protecting humanity's safety net.
Ingersoll's story of the man that went down from heaven on a reduced-rate excursion ticket good for 30 days --- and tried to sell his return ticket.