"And they were astonished out of measure, saying among themselves, Who then can be saved?
And Jesus looking upon them saith, With men it is impossible, but not with God: for with God all things are possible." Mark 10:26-27
For God it is possible, but how does one get God to do the work for him?
"But seek ye first the kingdom of God, and his righteousness; and all these things shall be added unto you" Matt 6:33
And also...
"I am the vine, ye are the branches: He that abideth in me, and I in him, the same bringeth forth much fruit: for without me ye can do nothing.
If a man abide not in me, he is cast forth as a branch, and is withered; and men gather them, and cast them into the fire, and they are burned.
If ye abide in me, and my words abide in you, ye shall ask what ye will, and it shall be done unto you." John 15:5-7