How pathetically scanty my self-knowledge is compared with, say, my knowledge of my room. There is no such thing as observation of the inner world, as there is of the outer world.
We are sinful not only because we have eaten of the Tree of Knowledge, but also because we have not yet eaten of the Tree of Life. The state in which we are is sinful, irrespective of guilt.
Mistakes are, after all, the foundations of truth, and if a man does not know what a thing is, it is at least an increase in knowledge if he knows what it is not.
After the knowledge of, and obedience to, the will of God, the next aim must be to know something of His attributes of wisdom, power, and goodness as evidenced by His handiwork.
We too, through lack of knowledge and of sufficiently mature reflection, mistook the visible outward appearance of the phenomenon for the phenomenon itself.
There is still the feeling that women's writing is a lesser class of writing, that what goes on in the nursery or the bedroom is not as important as what goes on in the battlefield, that what women know about is a less category of knowledge.
He who has so little knowledge of human nature as to seek happiness by changing anything but his own disposition will waste his life in fruitless efforts.
Between falsehood and useless truth there is little difference. As gold which he cannot spend will make no man rich, so knowledge which cannot apply will make no man wise.