Bageshwar Dham Sarkar
What is dharma in simple terms, so I can tell right from wrong?
Three simple marks of dharma
Dharma is what can be upheld (dharan), and he gives three simple formulas for it. Follow truth, don't hurt anyone's heart, study and teach without blind belief, and protect your nation with good conduct.
Being a person of action by following truth, and not hurting anyone's heart, this is dharma. What is dharma? The second explanation: studying and teaching, not falling into blind belief.