我们需要对互联网的安全保持警惕。

动作发展应该是心理高层次的表现或反映，这是修理合乎自然发展逻辑的。

The study of dreams offers a unique window into the subconscious mind, revealing desires, fears, and conflicts that we may not be consciously aware of.

The ratio of positive to negative emotions that predicts flourishing is about 3 to 1. Above that ratio, people tend to flourish; below it, they tend to languish.

一个人对自己的态度是过上长寿且相对幸福生活的最重要因素。

科学家价值的真正衡量标准不在于所获得的荣誉，而在于他们的工作对世界的影响。