The less passion there is, the better we work. The calmer we are, the better for us and the more the amount of work we can do. When we let loose our … - Swami Vivekananda

The powers of the mind should be concentrated and the mind turned back upon itself; as the darkest places reveal their secrets before the penetrating rays of the sun, so will the concentrated mind penetrate its own innermost secrets.

It is the Level-headed Man, the Calm Man, of Good Judgement and cool nerves, of Great sympathy and love, who does good work and so does good to himself.

We must also remember that in every little village-god and every little superstitious custom is that which we are accustomed to call our religious faith. But local customs are infinite and contradictory. Which are we to obey, and which not to obey? The Brāhmin of Southern India, for instance, would shrink in horror at the sight of another Brahmin eating meat; a Brahmin in the North thinks it a most glorious and holy thing to do — he kills goats by the hundred in sacrifice. If you put forward your custom, they are equally ready with theirs. Various are the customs all over India, but they are local. The greatest mistake made is that ignorant people always think that this local custom is the essence of our religion.