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Those who do not remember the past are condemned to repeat it.

Small changes in incentives can lead to large changes in behavior.

When you change the way you look at things, the things you look at change.

La memoria es un animal extra?o: muerde cuando menos lo esperas.

To love is to risk not being loved in return. To hope is to risk pain. To try is to risk failure, but risk must be taken because the greatest hazard in life is to risk nothing.

To love truth for truth's sake is the principal part of human perfection in this world, and the seed-plot of all other virtues.