For most people, lack of consistent, persistent effort is the biggest obstacle.
Smile often. Speak gently. Be kind.
In any influence, will, a self, the ego, the I AM is the greater force to be dealt with, but as numbers do influence, a knowledge of same certainly gives an individual a foresight into relationships.
You'll not be in heaven if you're not leaning on the arm of someone you have helped.
We grow to heaven. We don't go to heaven.
You can never lose anything that really belongs to you, and you can't keep that which belongs to someone else.