Philosophy is a product of the humanity of each philosopher, and each philosopher is a man of flesh and bone who addresses himself to other men of flesh and bone like himself. And, let him do what he will, he philosophizes not with the reason only, but with the will, with the feelings, with the flesh and with the bones, with the whole soul and the whole body. It is the man that philosophizes.
Miguel de Unamuno, Tragic Sense of Life, Flitch, tr. Dover (New York: 1954) p. 28.