恐惧是一种习惯。我不害怕。

I'm not afraid to fall in love, I'm afraid to fall for the wrong person again.

我是那个让我自己快乐的人。

The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.