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Sometimes silence speaks louder than words.

Don't watch the clock; do what it does. Keep going.

釋義：人如果沒有喜事，精神就會萎靡不振；當運氣不好、處境艱難時，往往會感到更加落寞和失落。

Train people well enough so they can leave, treat them well enough so they don't want to.

虛弱者通過厚顏無恥變得強大，強者通過妥協變得強大。

The only valid data for psychology are observable behaviors.

我不完美，但我就是我。