Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.

The best time to plant a tree was twenty years ago. The second best time is now.

You are worth more than you think.

我不去想过去，唯一重要的是永恒的现在。

应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。

So happiness is the most popular word we have heard through the past two years. Happiness is not only related to personal experiences and personal values, but also, it's about the environment.

"The colony is the place where the project of a new humanity is to be tested, where the dream of a world without borders is to be realized, where the dream of a world without races is to be realized, where the dream of a world without nations is to be realized, where the dream of a world without classes is to be realized, where the dream of a world without genders is to be realized, where the dream of a world without religions is to be realized, where the dream of a world without money is to be realized, where the dream of a world without property is to be realized."