I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell."

Strength comes from overcoming the things you thought you couldn't handle.

The greatest discoveries often come from asking the simplest questions.

愉快是健康的最佳促进者，对心灵和身体同样友好。