I'm trying to become a mushroom farmer, but it's a fun-gi job to learn

Why don't scientists trust atoms?

Because they make up everything!

What did the guitar say to the musician?

Pick on someone your own size!

So I was at the beach with my kids, and we saw a big sandcastle that someone had built. The kids were impressed by how tall it was, and we started talking about who could have made it. I joked that it must have been a professional builder, and then I saw the sign next to it that said

it was a 'castle' in the sand, built by a 'grain' architect