现在并不是结束，结束甚至还没有开始。但是现在可能是序幕的结束。
Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
Sustainability is not just a buzzword; it's a responsibility we owe to future generations.
理解自然界的基本粒子和力量是解开宇宙之谜的关键。
可持续性不仅仅是一个选择；它是对后代的责任。
孩子有超强的记忆力，当孩子可以动手操作而仅用眼看时，会记得更好。
A dream is a place where a wish and a fear meet. When the wish and the fear are exactly equally balanced, you call the dream a nightmare.
"El verdadero viaje no es buscar nuevos paisajes, sino tener nuevos ojos."
When given the choice between being right or being kind，choose kind.