Who decides?

Who decides what is and what isn’t possible?

Running a mile in under 4 minutes was impossible..until it wasn’t.

Space travel was impossible…until it wasn’t.

Curing cancer was impossible…until it wasn’t.

Who decides something is impossible? Why do you believe someone just because they say something is impossible? It’s only impossible…until it isn’t. Why not be the one to prove it’s not impossible?

Have a great day!