precision beats power and timing beats speed
give yourself permission to be inadequate and then get to work
Knives are only for the bravest and quickest fighters. They don't have the reach or power of a sword, but they're easy to conceal and they can find weak spots in your enemy's armor. It takes a clever warrior to use a knife.
Do not try to move quickly. Do not try to move slowly. Only move at the correct moment and your blow will appear neither fast nor slow, but effortless.

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