Internal Controls

Nothing outside of us can determine our feelings. It is only our mind and heart that decides what feelings we accept and choose to have. Circumstances have no control. Others have no control. Only we have control. 

Measuring The Impossible

Attempting to judge the potential of a person by what you see at first glance is like measuring the size of mountain with toothpick. With proper experience you can get pretty close, but you will never be 100% correct, and the chance to be very wrong is extremely high.