# 三部曲

4.17 Practice
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The difference between theory and practice is small in theory but big in practice.

— Me, based on an existing quotation

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The principle of science, the definition, almost, is the following: The test of all knowledge is experiment. Experiment is the sole judge of scientific “truth.”

— Richard P. Feynman (The Feynman Lectures on Physics, 1963)

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4.17.1 Theory

4.17.2 Practice

4.17.3 Habit

4.17.4 Influence (夢幻版)

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2008.09.16 Tuesday $copyright CHK^2$