Thoughts

Mind
Qualities of thought decide your happiness.
When yogis are in tapasya, even snakes, animals, birds etc., can not do any harm to them. Their state of mind keeps harmony and peace around them.
People can bring rain and lit fire by their thoughts.
Adishankaracharya transfered his knowledge to totaka via his mind.

कैसे कह दूँ कि नेकी के बदले कुछ भी नहीं मिलता; आख़िर “संतोष और सुकून” कोई छोटी चीज तो नहीं..!!
इसीलिए परोपकार करते रहिए परिणाम "अदृश्य" मिलता रहेगा
क्योंकि जंग हथियार को लगता है,
इरादों को नहीं.!!