They are not contradictory, in fact they are complimentary.
If you talk to any accomplished scientist, you’ll find in them this quality of innocence, like a child.
Any genius in any field for that matter, if you sit and talk to them, you will feel that there’s a genuineness and a childlike simplicity in them.
Somewhere people think that childlike simplicity is contrary to being intelligent.
I usually say that intelligence which is accompanied with cunningness is good for nothing, and child-likeness which is full of ignorance is good for nothing.
We need that perfect combination of innocence and intelligence.
A pure heart and a clear mind is a part of intelligence.
In the building where I live there are children, and I realize how difficult it is for them and their parents that they do not live with other children. They spend their days at home cluttered in their parents and very few live with other children, with the same age group and similar needs.
And healthier going out to playgrounds, parks, areas where they can run, climb, play; places where there is sand, grass, water, trees, toys or elements to exercise and spend their many energies and have fun and learn to live with other children.
All Creation coexists with its peers and even with other species, this is natural and healthy for the individual and for the close people and society.
And said, Verily I say unto you, Except ye be converted, and become as little children, ye shall not enter into the kingdom of heaven. Matthew 18:3