Happiness lies in the joy of achievement and the thrill of creative effort.
永远不要让成功冲昏头脑，也不要让失败打击你的信心。
A person may cause evil to others not only by his actions but by his inaction， and in either case， he is justly accountable to them for the injury.
Sustainability isn't an option—it's a necessity if we want to feed a growing population without destroying our planet.
Truth needs no ornate decoration.