'Alert' in the Bible
Be alert so there is no man, woman, family, or a tribe whose heart is turning away from the LORD your God to go and serve the gods of those nations. Be alert so there will be no root among you that produces poisonous and bitter fruit,
telling them, "Pay attention now! You are to set up an ambush around the city. Don't go very far from the city, and all of you remain on alert.
It's like a man who went on a trip. As he left home, he put his servants in charge, each with his own work, and he ordered the doorkeeper to be alert.
So be alert at all times, praying that you may have strength to escape all these things that are going to take place and to take your stand in the presence of the Son of Man."
So be alert! Remember that for three years, night and day, I never stopped tearfully warning each of you.
Remain alert. Keep standing firm in your faith. Keep on being courageous and strong.
Pray in the Spirit at all times with every kind of prayer and request. Likewise, be alert with your most diligent efforts and pray for all the saints.
Devote yourselves to prayer. Be alert and thankful when you pray.
Be clear-minded and alert. Your opponent, the Devil, is prowling around like a roaring lion, looking for someone to devour.
"I know what you've been doing. You are known for being alive, but you are dead. Be alert, and strengthen the things that are left, which are about to die. I note that your actions are incomplete before my God.
So remember what you received and heard. Obey it, and repent. If you are not alert, I will come like a thief, and you won't know the time when I will come to you.
"See, I am coming like a thief. How blessed is the person who remains alert and keeps his clothes on! He won't have to go naked and let others see his shame."