These are kept short on purpose. Many of us have enough to handle just keeping up with our families and jobs and daily demands. So I often share (in between slightly longer items) selections to remind us that we can remain 'cloistered,' no matter how dark the world or how busy our lives.
I don't know about you, but I need a steady stream of such reminders. I need the Truth of Scripture, I need the wisdom of saints, I need the Light of Jesus to dispel darkness.
I need to remember, day after day, that I can remain always within the Heart of Christ.