For youth, sexual love is whim; for the aged, luxury.
If you can't illustrate 'it', 'it' doens't belong in Physics as a noun! You can't put an article in front. You can't put a verb after!
Define the word exist, and you'll know whether God exists.
A mathematician believes that describing the speed of Mercury with equations amounts to science.
Proof' is the hallmark of religion.
Man steps on an ant when he can't catch the fly.