人类心智能够理解宇宙，因为宇宙已经产生了能够理解它的心智。

Genius is one per cent inspiration, ninety-nine per cent perspiration.

Coal has been the backbone of industry, and with innovation, it can continue to be.

"The world is full of small things that are big enough to break your heart."

The strength of a response tendency depends on the amount of reinforcement received.