The only way to get to the other side is to go through the door.

"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."

The mind is a stream of processes, not a collection of objects.

农业的真正价值不仅在于收获，还在于我们为子孙后代留下的遗产。