Philosophy is common sense with big words.

Common sense is not so common.

In any war, the first casualty is common sense, and the second is free and open discussion

Things do not change; we change.

Which is it? Is man only a blunder of God? Or is God only a blunder of man?

Common sense is not a single unique conception, identical in time and space. It is the "folklore" of philosophy, and, like folklore, it takes countless different forms. Its most fundamental character is that it is a conception which, even in the brain of one individual, is fragmentary, incoherent and inconsequential.