surrender

"I appeal to you therefore, brothers, by the mercies of God, to present your bodies as a living sacrifice, holy and acceptable to God, which is your spiritual worship. Do not be conformed to this world, but be transformed by the renewal of your mind, that by testing you may discern what is the will of God, what is good and acceptable and perfect."

Romans 12:1-2

I believe it's not a matter of sacrificing "things" up to God, but rather sacrificing and surrendering your entire being.

Offer up yourself

-your thoughts

-your tendencies

-your weaknesses

-your stubbornness

-your fears