Birth is suffering, aging is suffering, illness is suffering, death is suffering; union with what is displeasing is suffering; separation from what is pleasing is suffering; not to get what one wants is suffering; in brief, the five aggregates subject to clinging are suffering.

So sayeth the first of the Four Noble Truths of Buddhism.

"I never think of the future. It comes soon enough."
"God does not care about our mathematical difficulties. He integrates empirically."
So quoeth Albert Einstein.