The cynic’s read of this one is that Hill is talking about gut decisions — leap and the net will appear. He isn’t. He’s talking about a specific failure mode in planning: waiting for conditions that don’t arrive.

The conditions you’re waiting for are usually some combination of more information, more confidence, less risk, and a better mood. None of these get reliably better with time. Information accumulates slowly but never to completeness. Confidence comes from doing, not from waiting. Risk usually grows as competitors move. Mood is unreliable.

Source and full idea

The cleaner Hill wording is usually quoted as “Do not wait; the time will never be ‘just right.’” In Think and Grow Rich, the line appears in the section on procrastination, where Hill argues that waiting for the right time is one of the common ways people spoil their own chances.

That context matters. This is not a recklessness quote. Hill is not saying to ignore planning, risk, or preparation. He is saying that preparation becomes avoidance when it keeps you from starting with the tools you already have.

So the practical meaning is: