John 8:29:

And he that sent me is with me: the Father hath not left me alone; for I do always those things that please him.

See also:

Healing Pleases God
How to See God’s Will Concerning Healing
The SAME Test
Objection: Jesus Healed and Did Miracles to Prove His Deity
Objection: Jesus Only Said That He Was Sent to Heal the Brokenhearted, Not the Sick
Objection: God Created the Destroyer to Destroy (Isaiah 54:16), So Satan Is Just Doing the Job God Created Him to Do
Objection: God Being “Good” Must Not Be Understood from Man’s Perspective
Objection: Jesus Said to Say, “Thy Will Be Done,” Instead of Demanding Healing