Definition: showing diligent caution and effort; taking great care; paying extra close attention to detail when there is a strong reason not to make any mistakes

• Find a place inside where there’s joy, and the joy will burn out the pain. — Joseph John Campbell (1904-1987) American writer
• No single achievement in science is possible without the painstaking work of the many hundreds who have built the foundation on which all new work is based. — Polykarp Kusch (1911–1993) German-born American physicist