You have to find in yourself what makes you different from everybody else.

心理学概念的价值在于其生活应用。

Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.