.. When your tools shape your work, you feel friction instantly and you fix it.

—

.. Constraint is not a hardship. It is a design instrument.

—

.. Iteration is the real productivity engine. When you can change something and see the result quickly, you learn what works.

—

Keep the system small enough to understand.

—

Let programs stay replaceable. The future you can't predict arrives anyway. Parts that can be swapped out survice change.