The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

A 1% improvement in efficiency could mean the difference between life and death.

Every challenge in agriculture is an opportunity to redefine how we feed the world.

Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.

"The only way to deal with the world is to laugh at it."

有时候生活会用砖头打你的头，但不要失去信心。