Numbers 18:30
"Therefore thou shalt say unto them, When ye have heaved the best thereof from it, then it shall be counted unto the Levites as the increase of the threshingfloor, and as the increase of the winepress."
Cross References (ranked by relevance)
And their father Israel said unto them, If it must be so now, do this; take of the best fruits in the land in your vessels, and carry down the man a present, a little balm, and a little honey, spices, and myrrh, nuts, and almonds:
And if ye offer the blind for sacrifice, is it not evil? and if ye offer the lame and sick, is it not evil? offer it now unto thy governor; will he be pleased with thee, or accept thy person? saith the LORD of hosts.
And thou shalt love the LORD thy God with all thine heart, and with all thy soul, and with all thy might.
But seek ye first the kingdom of God, and his righteousness; and all these things shall be added unto you.