The word 'immediately' means, 'at once' or 'as soon as' (The Oxford Dictionary).
When Jesus called His disciples to follow after Him, the Bible tells us in the Gospel of Matthew 4:18-22 that they left their fishing nets, and followed Him "immediately".
As a direct result of their instant obedience, those Galilean fishermen witnessed the greatest move of Almighty God in the history of the World!
As we face a new year we need to be so sensitive to the call of God on our lives, we cannot be found to be procrastinating, which means to 'delay' or 'postpone', or to 'defer till morning', 'belonging to tomorrow' (The Oxford Dictionary).
There is no time to waste as the coming of the Lord Jesus draws ever nearer.
Proverbs 6:10 & 11, says very clearly that: "A little sleep, a little slumber, a little folding of hands to sleep - So shall poverty come on you like a robber".
Angus and Jill Buchan.