The best time to plant a tree was 25 years ago. The second best time is today.
Innovation is not just about technology; it's about changing the way we live.
释义:日月想要明亮,浮云遮蔽了它们;河水想要清澈,沙石使它变污浊;人的性情想要平和,嗜好和欲望会损害了它。