Moths don't need to explain why they're attracted to the light.

The fish don't need to know why they're in the water.

The earth keeps turning but it never says why.

Philosophers console themselves with explanations.

Any commentary on life is irrelevant to the living of it.

Human behavior cannot be explained for the simple reason that it makes no sense.

When the train stays on the tracks you don't ask why.

I don't try to explain or justify my actions. I simply do what I do.

All explanations tend to be self-serving. I just do things and then forget them.