Free trade is the key to the prosperity of a nation.

The best way to predict the future is to create it.

Steel built the past, but innovation will define its future.

"Positive psychology is not about ignoring the negative, but about building the positive."

解释：树立品德，莫如日积月累，不懈怠地培植；治疗疾病，莫如彻底消除，不留下任何病根。

"Books are the windows to other realities."

"You can't knock on opportunity's door and not be ready."