If you want to live a happy life, tie it to a goal, not to people or things.
如果你想过得快乐,就把生活跟目标联系在一起,而不是跟人或物质。
每一次观测都让我们更接近回答关于宇宙的基本问题。
The biggest barrier to change isn't technology; it's the fear of leaving the familiar behind.