References – AN 11.1: What’s the Purpose? 
Comment: Living on faith increases your potential anxiety level. I came to Buddhism thinking this would settle my life, but I realize that being open, aware, and sensitive to the world keeps bringing me new challenges. [Faith] [Restlessness and worry] [Everyday life] [Conscience and prudence] [Tudong]
Sutta: Dhp 244-245: Life is easy for for one without shame. [Conceit] [Virtue]
Response by Ajahn Pasanno: “You get more than what you bargained for.” [Happiness] [Culture/West] [Communal harmony] [Trust] [Concentration] [Ardency] [Energy] [Discernment] [Guilt/shame/inadequacy] [Right Effort]
Sutta: AN 11.1: Virtue leads to non-remorse and samādhi.
Tudong Stories at Spirit Rock [2011], Session 2, Excerpt 3
“I find it very difficult to stay with the breath. After 15-20 minutes, the mind will be very bored with the breath and cannot stay with it. Could you advise what is a good meditation for an easily restless mind?” Answered by Ajahn Pasanno. [Mindfulness of breathing] [Restlessness and worry] // [Attitude] [Desire] [Meditation/Techniques] [Investigation of states] [Gladdening the mind] [Happiness]
Sutta: MN 118: Ānāpānasati Sutta
Suttas: AN 11.1, AN 11.12, and SN 55.40 illustrate the causal chain between happiness and samādhi.