Adultery is an obvious violation of the rights of another. You are stealing what doesn't belong to you.
The ultimate goal of theology isn't knowledge, but worship.
The essence of loving living as a follower of Jesus isn't in trying harder but in enjoying more. I'm not saying you can change without trying. I'm saying that enjoyment empowers effort. Pleasure in God is the power for purity.
God loves to glorify himself by suspending his gifts and blessings on our asking him for them. We should never presume to receive from God apart from prayer what he's clearly told us in Scripture will be ours only through prayer.
Our giving is but a reflex of God's giving.