Ven. Gunaratana on Samatha & Vipassanā

What is samatha-vipassanā? (Pt 1):

What is samatha-vipassanā? (Pt 2):

Why do some teachers warn against practicing jhānas?

What are the benefits of practicing jhānas? (Pt 1):

What are the benefits of practicing jhānas? (Pt 2):