Acts 16:25
And about midnight Paul and Silas, while engaged in prayer, were singing praise to God; and the prisoners were listening to them.
Luke 6:12
And it came to pass in those days, that He went out into the mountain to pray; and He was spending the whole night in prayer to God.
John 14:21
He who has My commandments, and keeps them, he it is that loves Me; and he that loves Me will be loved by My Father, and I will love him, and will manifest Myself to him."
John 15:10
If ye keep My commandments, ye shall abide in My love, even as I have kept My Father's commandments, and abide in His love.