“Zen Mind, Beginner’s Mind” – let the thoughts come and let them go. Don’t get into a conflict with thoughts, don’t analyze, don’t try...
Reading from Joseph Goldstein’s “Mindfulness” and Bhikkhu Analayo’s “Mindfulness of Breathing” to understand what meditative concentration is and how to approach it.
Reading from “Why We Meditate” by Tsoknyi Rinpoche and Daniel Goleman