God has given a brain to everyone. means that everyone can think and should think. it is never impossible. the only thing that might be different is the way of thinking. But then, there is always something to think in our life everyday, whoever you are.
Like it or not, we have to think. Never avoid to think deeply about something because you will be a loser and you will not undertand something very well. Yet, you will talk nonsense, talking about something without understanding the meaning.
Think deeply is very important, it makes you feel great and curious, it makes you a better person. It opens your mind and refresh your brain. Think about anything as long as it will benefit to you and maybe others. But then, do not always think about unnecessary things deeply and make it a major topic of discussion. It make you “a better foolish person“.