"Two great problems hang over the world. War must disappear, and conquest must continue. These two necessities of a growing civilization seemed to exclude each other. How satisfy the one without failing the other? Book V, VII"

"The nature of Spirit may be understood by a glance at its direct opposite Matter. As the essence of Matter is Gravity, so, on the other hand, we may affirm that the substance, the essence of Spirit is…"

"They pulled two seats together so Darl could sit by the window. One of them sat beside him, the other sat on the seat facing him, riding backward. One of them had to ride backward because state's mone…"

"I wish you were my sister. I'd teach you to have some confidence in yourself. The different people are not like other people, but being different is nothing to be ashamed of. Because other people are …"

"Scientists work from models acquired through education and through subsequent exposure to the literature often without quite knowing or needing to know what characteristics have given these models the…"