The best time to plant a tree was 20 years ago. The second best time is now.

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

旅程就像婚姻。认为你控制它肯定是错误的。

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

The test of a psychological theory is its applicability to life.

可持续性不是一种选择；它是农业前进的唯一道路。

真正的自由来自心灵的解放。