"This system of encouragement proves serviceable as a preventive of punishment, the attainment of the tickets being a reward, the forfeiture of them the reverse; and, as such, boys seem often more affected by their loss than by coercion."

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I have never thought that you could obtain the extremely clumpy, heterogeneous universe we have today, strongly affected by plasma processes, from the smooth, homogeneous one of the Big Bang, dominated by gravitation.

— Hannes Alfven