Sustainability in agriculture is not an option—it's a necessity for future generations.

新观点总是被怀疑和通常反对，原因只是因为它们尚未变得普遍。

Freedom is the recognition of necessity.

"The world is full of signs, but we are often too blind to see them."

Man is not by nature a social animal.

The future of energy lies in the balance between development and sustainability.

友情有时会产生超越语言的理解。