2 Corinthians 8:12
"For if there be first a willing mind, it is accepted according to that a man hath, and not according to that he hath not."
Cross References (ranked by relevance)
Every man according as he purposeth in his heart, so let him give; not grudgingly, or of necessity: for God loveth a cheerful giver.
The children of Israel brought a willing offering unto the LORD, every man and woman, whose heart made them willing to bring for all manner of work, which the LORD had commanded to be made by the hand of Moses.
Speak unto the children of Israel, that they bring me an offering: of every man that giveth it willingly with his heart ye shall take my offering.
Take ye from among you an offering unto the LORD: whosoever is of a willing heart, let him bring it, an offering of the LORD; gold, and silver, and brass,
As every man hath received the gift, even so minister the same one to another, as good stewards of the manifold grace of God.
He that is faithful in that which is least is faithful also in much: and he that is unjust in the least is unjust also in much.
The desire of a man is his kindness: and a poor man is better than a liar.
But the LORD said to David my father, Forasmuch as it was in thine heart to build an house for my name, thou didst well in that it was in thine heart: