I am defeated, and know it, if I meet any human being from whom I find myself unable to learn anything. – George Herbert Palmer

Perhaps, to the uninformed, it may appear unaccountable that a man should be able to retain in his memory such a variety of learning but the close alliance with each other, of the different branches of science, will explain the difficulty. – Marcus V. Pollio

We do not learn and what we call learning is only a process of recollection. – Plato