fail to understand

References in classic literature ?
Those who hastily class him with the anarchists (or the Progressivists of the last century) fail to understand the high esteem in which he always held both law and discipline.
It was not a large amount in the beginning, he had married in debt, and I could not fail to understand, by this time, what was meant by Mr.
What I was afraid of was that everyone present, from the insolent marker down to the lowest little stinking, pimply clerk in a greasy collar, would jeer at me and fail to understand when I began to protest and to address them in literary language.
This gentleman was so obliging as to honour me with attentions which I could not fail to understand.
Of course," said the troop horse, "everyone is not made in the same way, and I can quite see that your family, on your father's side, would fail to understand a great many things.
They can't fail to understand each other on the very highest level of idealistic perceptions.
And yet," said I, "even now I fail to understand what the theory of the police can be.
The worst part about vitamin deficiency is the fact that people fail to understand the importance of vitamins and physicians fail to convey to them the necessity of having balanced vitamins in their system.
We therefore fail to understand the rationale behind the amendments and feel that this has been pushed by the corporates and the interest of the poor has been ignored as a result.
Firstly they will fail to understand how so many children supposedly in the care of the State died and be horrified at the manner in which their bodies were disposed.
I fail to understand how anyone in their right mind can enjoy killing an animal.
I fail to understand how Gilani is threat to peace.