The inescapable condition of advancement, development, and progress is true knowledge in every direction and of every kind.

The inescapable condition of advancement, development, and progress is true knowledge in every direction and of every kind. As for the main source of knowledge, it is, without a doubt, healthy thinking and a scientific frame of mind. Without such a frame of mind, studies undertaken will lead to flawed results. In the solving of every kind of problem of ours, we must take intellect, logic, and a scientific frame of mind as our basis, and we must abandon prejudice, fixed ideas, fanaticism, and preconditions.”