The meaning of life is to find your gift. The purpose of life is to give it away.
恐惧束缚着你的心灵，希望释放着你的心灵。
The self is not so much a substance as a process, and it is the continual task of education to change the process, to develop its activities, and to guide it into channels of efficiency.
可持续性不是一种趋势，而是食品生产的未来。
Leadership in energy means making tough decisions today for a better tomorrow.