The scientific facts, which were supposed to contradict the faith in the nineteenth century, are nearly all of them regarded as unscientific fictions in the twentieth century.
I have always wanted to deal with everyone I meet candidly and honestly. If I have made any assertion not warranted by facts, and it is pointed out to me, I will withdraw it cheerfully.
In constructing concepts, we overlook the fact that no two things are the same. There is no such thing as the concept of a leaf, only billions and billions of leaves.