可持续发展不是成本，而是我们一生中最大的创新机会。
Theorems are the permanent literature of mathematics.
自然是一个活生生的整体，而非死寂的集合体。
"The future belongs to those who believe in the beauty of their dreams."
All the choir of heaven and furniture of earth - in a word， all those bodies which compose the frame of the world - have not any subsistence without a mind.
Short-term gains in forestry often lead to long-term pains.