奖赏不正确，没有鼓励作用；施刑不正确，也起不到惩戒作用。

You get what you give. What you put into things is what you get out of them.

The spirit of petroleum is our precious wealth, which should be passed down from generation to generation and carried forward.

If you have any doubt at all about being able to carry a load in one trip， do yourself a huge favor and make two trips.

The future of life on Earth depends on our ability to take action. Many individuals are doing what they can, but real success can only come if there is a change in our societies and our economics and in our politics.

"A picture book is like a small theater."