Reinforcement is the central factor in the acquisition of new behavior patterns.

在野外生存的最佳方法是保持冷静并清晰地思考。

I don't like debt. Companies with a lot of debt are riskier.

千丈长堤，可能因为蝼蚁的洞穴而溃决；百尺高楼，可能因为烟囱的缝隙冒烟而焚毁。

Small improvements, consistently applied, lead to massive change over time.

引力波的发现为宇宙打开了一扇新的窗户。

"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.