…he who is in you is greater than he who is in the world.
This From the Nations
It is easier to know how to do than it is to do.—Chinese proverb
No man can do nothing and no man can do everything.—German proverb
What is done cannot be undone.—Italian proverb
And this from Jesus, Lord of the nations:
For I have given you an example, that you also should do just as I have done to you.—John 13:15