The book one must read to learn natural sciences is the book of nature. The book from which to learn religion is your own mind and heart.
Swami VivekanandaEach atom is trying to fly off from its centre. In the internal world, each thought is trying to go beyond control. Again each particle in the external world is checked by another force, the centripetal, and drawn towards the centre. Similarly in the thought - world the controlling power is checking all these outgoing desires.
Swami VivekanandaMan stands in materialism; you and I are materialists. Our talking about God and Spirit is good; but it is simply the vogue in our society to talk thus: we have learnt it parrot-like and repeat it. So we have to take ourselves where we are as materialists, and must take the help of matter and go on slowly until we become real spiritualists, and feel ourselves spirits, understand the spirit, and find that this world which we call the infinite is but a gross external form of that world which is behind.
Swami VivekanandaNow is wanted intense Karma-Yoga with unbounded courage and indomitable strength in the heart. Then only will the people of the country be roused.
Swami Vivekananda