"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

Trust is the expectation that arises within a community of regular, honest, and cooperative behavior, based on commonly shared norms, on the part of other members of that community.

I'm not perfect, but I'm trying every day to be better than I was yesterday.

很可能未来会发明出更多辅助视觉的工具，它们超越现有仪器的程度，就像现有仪器超越肉眼一样。