Revelations 3:15-16 I know all the things you do, that you are neither hot nor cold. I wish that you were one of the other! But since you are like lukewarm water, neither hot nor cold, I will spit you out of my mouth.
We can't love Jesus when it is convenient or on Sundays. We can't pray to God just when we are in trouble. We can't know God when we are with our church friends and not acknowledge Him when we are at work. It is more dangerous than not knowing God at all. We fool nobody but ourselves when we are part-time Christians. The lies that we tell ourselves are the most dangerous of all!
In verse 22 Jesus says, "Anyone with ears to hear must listen to the Spirit and understand what He is saying to the Churches." We must listen and be honest with ourselves. Are we walking around being neither hot or cold? I don't want to be standing before God and hear Jesus say, "I never knew you!"