實(shí)現(xiàn)明天的唯一限制是我們今天的疑慮。
The only limit to our realization of tomorrow is our doubts of today.
The most important thing is that you have a North Star. You have to know where you're going.
唯一真正的自由是想象的自由。
拯救犀牛的唯一方法是拯救它所生活的環(huán)境，因?yàn)樗c數(shù)百萬其他動植物物種之間存在相互依賴關(guān)系。