Because of the Turing completeness theory, everything one Turing-complete language can do can theoretically be done by another Turing-complete language, but at a different cost. You can do everything in assembler, but no one wants to program in assembler anymore.
- Yukihiro Matsumoto Quote

From the viewpoint of what you can do, therefore, languages do differ - but the differences are limited. For example, Python and Ruby provide almost the same power to the programmer.
- Yukihiro Matsumoto Quote

I didn't work hard to make Ruby perfect for everyone, because you feel differently from me. No language can be perfect for everyone. I tried to make Ruby perfect for me, but maybe it's not perfect for you. The perfect language for Guido van Rossum is probably Python.
- Yukihiro Matsumoto Quote

Most of the tasks we do are for humans. For example, a tax calculation is counting numbers so the government can pull money out from my wallet, but government consists of humans.
- Yukihiro Matsumoto Quote

People are different. People choose different criteria. But if there is a better way among many alternatives, I want to encourage that way by making it comfortable. So that's what I've tried to do.
- Yukihiro Matsumoto Quote

The orthogonal features, when combined, can explode into complexity.
- Yukihiro Matsumoto Quote

You want to enjoy life, don't you? If you get your job done quickly and your job is fun, that's good isn't it? That's the purpose of life, partly. Your life is better.
- Yukihiro Matsumoto Quote