By sunset, Tunde had worked the oil into the rust. He wrapped a cloth around the handle, pulled with his whole body—and with a screech, it moved. Then again. Then water poured out—cold, clear, endless.

"If I can't use expensive marble," he thought, "what can I use?"

The book emphasizes that your thought life determines your life's direction. Key themes include:

Here is a brief summary of each chapter in "Productive Thinking" by David Abioye:

How to apply its ideas (practical takeaways)