All things in nature work according to law. Nothing is excepted. The mind as well as everything in external nature is governed and controlled by law.
Internal and external nature, mind and matter, are in time and space, and are bound by the law of causation.
The freedom of the mind is a delusion. How can the mind be free when it is controlled and bound by law?
The law of Karma is the law of causation.
We must become free. We are free; the work is to know it. We must give up all slavery, all bondage of whatever kind. We must not only give up our bondage to earth and everything and everybody on earth, but also to all ideas of heaven and happiness.
We are bound to earth by desire and also to God, heaven, and the angels. A slave is a slave whether to man, to God, or to angels.
The idea of heaven must pass away. The idea of heaven after death where the good live a life of eternal happiness is a vain dream, without a particle of meaning or sense in it. Wherever there is happiness there must follow unhappiness sometime. Wherever there is pleasure there must be pain. This is absolutely certain, every action has its reaction somehow.
The idea of freedom is the only true idea of salvation — freedom from everything, the senses, whether of pleasure or pain, from good as well as evil.
More than this even, we must be free from death and to be free from death, we must be free from life. Life is but a dream of death. Where there is life, there will be death; so get away from life if you would be rid of death.
We are ever free if we would only believe it, only have faith enough. You are the soul, free and eternal, ever free ever blessed. Have faith enough and you will be free in a minute.
Everything in time, space, and causation is bound. The soul is beyond all time, all space, all causation. That which is bound is nature, not the soul.
Therefore proclaim your freedom and be what you are — ever free, ever blessed.
Time, space, and causation we call Maya.
~ Swami Vivekananda, Notes of Class Talks and Lectures, Volume 6, Complete Works of Swami Vivekananda