Acts 16:25

About midnight, while Paul and Silas were praying and singing hymns to God, and while the prisoners were listening to them,

Luke 6:12

Now about that time, Jesus went out, up the hill, to pray, and spent the whole night in prayer to God.

John 14:21

It is he who has my commands and lays them to heart that loves me; and he who loves me will be loved by my Father, and I will love him, and will reveal myself to him."

John 15:10

If you lay my commands to heart, you will remain in my love; just as I have laid the Father's commands to heart and remain in his love.

Treasury of Scripture Knowledge

Summary

I have remembered thy name, O LORD, in the night, and have kept thy law.

Bible References

Night

Luke 6:12
Now about that time, Jesus went out, up the hill, to pray, and spent the whole night in prayer to God.
Acts 16:25
About midnight, while Paul and Silas were praying and singing hymns to God, and while the prisoners were listening to them,

Kept

John 14:21
It is he who has my commands and lays them to heart that loves me; and he who loves me will be loved by my Father, and I will love him, and will reveal myself to him."
John 15:10
If you lay my commands to heart, you will remain in my love; just as I have laid the Father's commands to heart and remain in his love.