Guaranteed Outcome of Humility (Philippians 2:9-11)

The apostle Paul says in 1 Corinthians 15:32 let us eat and drink for tomorrow we die. This is something strange because Paul seems to be encouraging the church a glutinous philosophy that we just live for today and today we live to the fullest. So, why would Paul say such a thing? The reason is that if Christ is not raised from the dead then it means that this life is all we have. So, how do we know that there is more to this life than just eating and drinking? How do we know that our suffering will all be worthwile?