You can read the complete transcript or download it as a paper from the Swami Vivekananda Guru Archive .
If you are looking to read his original words, several compiled works focus heavily on mental discipline and power. You can often find these in PDF format online: power of mind swami vivekananda pdf hot
To be successful, one must take up a single idea and devote their entire body and being to intensely focusing on it alone. Powers of The Mind by Swami Vivekananda | PDF - Scribd You can read the complete transcript or download