The United States should not try to spread democracy around the world.
The beauty of a well-designed algorithm lies in its simplicity and efficiency.
Psychology as the behaviorist views it is a purely objective experimental branch of natural science.
A mind needs books like a sword needs a whetstone.
在我们视野所及中,人类存在的唯一目的,是在纯粹存在的黑暗中燃起一点光亮。