Question: How can I remain vigilant over my thoughts?
Sri Chinmoy: You can remain vigilant over your thoughts by exercising your will power, your adamantine and indomitable will power. When you exercise your will power, your thoughts will be transformed, illumined and perfected.
Sri Chinmoy, AUM — Vol.II-3, No. 8, 27 August 1976, Vishma Press, 1976