过去并没有死去；它甚至还没有过去。
"The past is not dead; it is not even past."
做出伟大工作的唯一方法就是热爱你所做的事情。
"Training a hawk is a dialogue, not a monologue."
活着就是受苦，生存就是在苦难中找到某种意义。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
The best products are those that solve real problems.
解释：大部分鸟类都是雄性的，而雌鸽却是雌性的，说明了鸟类性别的特殊性。
