Swami Vivekananda On The Need to develop Physical Strength

We speak of many things parrot-like, but never do them; speaking and not doing has become a habit with us. What is the cause of that? Physical weakness. . . . First of all, our young men must be strong. Religion will come afterwards. Be strong, my young friends; that is my advice to you. You will be nearer to heaven through football than through the study of the Gita. These are bold words; but I have to say them, for I love you. I know where the shoe pinches. I have gained a little experience. You will understand the Gita better with your biceps, your muscles, a little stronger. You will understand the mighty genius and the mighty strength of Krishna better with a little of strong blood in you.

Swami Vivekananda

(Source - Complete Works of Swami Vivekananda 1: 134)