The discovery of truth is prevented more effectively, not by the false appearance things present and which mislead into error, not directly by weakness of the reasoning powers, but by preconceived opinion, by prejudice.
All power is of one kind, a sharing of the nature of the world. The mind that is parallel with the laws of nature will be in the current of events, and strong with their strength.
It is impossible that had Buonaparte descended from a race of vegetable feeders that he could have had either the inclination or the power to ascend the throne of the Bourbons.
Thought is like a bubble rising to the surface. When thought is joined to will, we call it power. That which strikes the sick person whom you are trying to help is not thought, but power.