Bruce Lee famously feared the man who practiced one punch a thousand times.
Here are some other things Bruce Lee feared.
A big clock with a boxing glove on the end of the second hand and every time it ticks it also punches you.
A bunch of bats flying together in the shape of a fist that punches you.
A special fruit called punch fruit that has edible seeds but the seeds are actually little fists and when you eat them they punch your insides.
A guy with two fists on one arm so every time he punches you he's double punching you.
A bunch of birds flying together in the shape of a fist that punches you.
A bunch of fish swimming together in the shape of a fist that punches you when you're underwater.
His older brother, specifically after his older brother trained a bunch of mosquitoes to fly together in the shape of a fist that punches you and sucks your blood also.
A punch called the dehydration punch that can punch all the water out of you.
An overly large cigarette with a fist on the end of it and when someone smokes it and exhales the smoke it sends out of a bunch of smoke fists that punch you.
A punch car that punches you.
Being held down and punched by a bunch of angry dudes that are good at punching.
Those are the other things Bruce Lee feared that they won't teach you about in school. You can find more stuff like this in my upcoming book.