Have you ever thought about the purpose of thought? Probably not. 

Thinking deeply requires a good deal of energy and focus. Most people prefer to invest their time and energy in other less strenuous pursuits. It is therefore left to a few to do all the serious thinking.

But, what exactly do we hope to accomplish by thinking deeply?

Is it not to arrive at conclusions or beliefs regarding something of interest to us?

Is not our aim, if we understand it correctly, to bring our conclusions and beliefs into alignment with the truth as best we apprehend it?