well since not a lot of people are commenting, I'll just say what I think. both could be acceptable answers but I think it's their actions, because at the end of the day, (most of the time) your actions are what leads to misunderstandings, destruction, and a lot more other things. someone's thought process and their actions are both connected, some...... reply
actions are reflective of thoughts and when they act a certain way you can verify whether the thoughts they preached were authentic or not. So i guess it's kinda inter related but actions are certainly more reliable because while you can read actions , you cant read thoughts reply
