But slight mistakes accumulate, and grow to gross errors if unchecked.

The real purpose of the scientific method is to make sure nature hasn’t misled you into thinking you know something you actually don’t know.

An error doesn't become a mistake until you refuse to correct it.

And having once chosen, never to seek to return to the crossroads of that decision-for even if one chooses wrongly, the choice cannot be unmade.

Stand at the crossroads if you will, but if you'll not choose, I'll move on without you

Surely if we knew what bitterness fate held in store, we would shrink back in fear and let the cup of life pass us by untasted.