[blowfish]

Then if you think you've succeeded in imagining how to do it, then DO IT. Make some. Let's apply that logic some more, shall we?:

"You think you know how stars form from gas? Make one!"
"You think you know how continents collide? Collide a couple!"

[GSHastings]

"You think you know how stars form from gas? Make one!"

"You think you know how continents collide? Collide a couple!"

I would you know. But my beaker is too small.

Can you give me something to make that's a little smaller? How small is the smallest living thing?