Mental laziness and physical laziness they are not good at all the worst one is the mental laziness, the person wants want to crack his brain or use his brain.
And this will affect the brain itself and the body, because such brain will be sold dull and it's not easy to think straight or think a good thing.
That is why when you see a lazy person it won't be easy for to engage in now thing that we make them think deep or stress his brain.
And they won't think before they talk whenever their ask a question and all you see around them is failure because they are not ready to use their brain.
exactly it is perfectly said by you the mental laziness is the worst if a person is lazy mentally he or she will be lazy physically and sometimes some are lazy mentally but due to their mental laziness they will have to work harder that is why they said work smart not work hard.
if you are too lazy to think you will be enslaved by those that can think that is the principle of life and it is one of the things that is affecting most people in Africa laziness in thinking
The above statement was perfectly said by you and I have indeed gain alot from you and @timmzey too mate