Imagine there's a man with a lamp. A MAGICAL man. With a magical lamp. Or woman. Whatever you prefer. Anyway, he turns his lamp on. A minute later, he turns his lamp off. At 1:30, he turns it back on. At 1:45, he turns it back off. At 1:52.5, he turns it back on.
You get it? He halfs the time every switch.
What state will the lamp be in at 2 minutes?

Zeno once said, "at any given time, a moving object is actually at rest. Therefore, motion is impossible."
That means that at any given time, you are actually not moving, therefore, how can you move?

Imagine you run 10 meters per second. And you're racing a turtle that runs 1 meter per second. You give the turtle a 100 meter head start. After 10 seconds, you're at 100 meters, and the turtle is at 110.
After 11 seconds, you're at 110 meters, and the turtle is at 11.
After 11.1 seconds, you're at 111 meters, and the turtle is at 111.1
When will you catch the turtle?

A hangman tells his condemned prisoner that he will be hung one day next week, and that it will be a surprise.
The prisoner concludes that he will not be hung on Friday, because if he hasn't been hung by Thursday, it won't be a surprise.
He also concludes that he won't be hung by Thursday, as if he isn't hung by Wednesday, then it won't be a surprise, as he can't be hung on Friday.
He continues back with this through wednesday, tuesday, and monday, and concludes he won't be hung,
What day would he actually be hung?

Did you know that it is physically impossible to cut a circle into 7 completely even pie-shaped pieces?

On the subatomic level, electrons can move places without ever crossing the distance in between.

If you think about it, numbers do not exist, neither does math. All math is just an abstraction.

Every person in the human race is descendant of an african woman called "Mitochondrial Eve"

The sentence below this tells the truth.
The sentence above is a lie.