I'm not a rapper, I'm a leader who raps.

解析：告诫人们要珍惜所得。

The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.

生于古人之后而议论古人的缺点失误容易，而若处于古人的位置做古人所做的事就很难

The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently， we must be willing to change our belief system， let the past slip away， expand our sense of now， and dissolve the fear in our minds.