Courtesy while you're thinking what to say. It saves time.

Courtesy is a small act but it packs a mighty wallop

But I was thinking of a way To multiply by ten, And always, in the answer, get The question back again

But I was thinking of a plan to dye one's whiskers green.

I know what you're thinking about, but it isn't so, nohow. Contrarywise, if it was so, it might be, and if it were so, it would be. But, as it isn't, it ain't. That's logic.

We spend most of our time and energy in a kind of horizontal thinking. We move along the surface of things... but there are times when we stop. We sit sill. We lose ourselves in a pile of leaves or its memory. We listen and breezes from a whole other world begin to whisper.