The Tao expands everywhere; it can go left or right. All beings rely on it to be born, and it does not reject them. When merits are achieved, it does not attribute them to itself.
It loves and nourishes all beings, and does not take itself as their master. It is constantly without desires: we can call it small. All beings submit to it, and it does not take itself as their master: we can call it great.
So a wise soul never considers himself great. That is why he can achieve great things.