The general fact is that the most effective way of utilizing human energy is through an organized rivalry, which by specialization and social control is, at the same time, organized co-operation.

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One friend in a lifetime is much, two are many, three are hardly possible. Friendship needs a certain parallelism of life, a community of thought, a rivalry of aim.

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Rivalry is the life of trade, and the death of the trader.

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It's a rivalry game. Every time these two schools play, no matter what sport it is, emotions are going to be high.

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Experience has shown how deeply the seeds of war are planted by economic rivalry and social injustice.

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One friend in a lifetime is much; two are many; three are hardly possible. Friendship needs a certain parallelism of life, a community of thought, a rivalry of aim.

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It is the privilege of posterity to set matters right between those antagonists who, by their rivalry for greatness, divided a whole age.

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