And we must study through reading, listening, discussing, observing and thinking. We must not neglect any one of those ways of study. The trouble with most of us is that we fall down on the latter—thinking—because it’s hard work for people to think, And, as Dr. Nicholas Murray Butler said recently, ‘all of the problems of the world could be settled easily if men were only willing to think.’
Thomas Watson
These days we often have people who do think but don’t do the other well enough.
I think that this part of the quote is an overstatement.
I actually think it’s naive bullshit.