First of all, we are absolutely dependent upon His blessing.  That is one of the significant lessons I've learned in missionary work around the world.  No matter how worthy the cause, our eff6rts are futile without His blessings.  Meeting a need is never dependent upon the supply at hand but on the blessings of the Lord.  Five loaves and two fishes proved more than sufficient to feed 5,000 people simply because He blessed.  The miracle only came about with the blessing.  The blessing of God was the determining factor.  

The second principle is breaking.  Without breaking, men have the natural tendency to stand and gloat over their accomplishments, even things in religious circles, in church life, in mission work.  

Breaking is often necessary before God's vessel is prepared to fully apply himself to the work of the lord.  Timothy 2:21 speaks of being purged to serve.

"If a man therefore purge himself from these, he shall be a vessel unto honor, sanctified, and meet for the master's use, and prepared unto every good work."

Last but certainly not least is the principle of giving, which is the life style of the child of God Throughout his entire ministry, Jesus was a giver.  Jesus imparted this same attitude about giving to His disciples.  

What matchless principles the Lord of glory has given us.  Blessing....breaking....giving, always produces after God - the miraculous.