If man does his best what else is there?

The more you sweat in peace, the less you bleed in war.

When in doubt, observe and ask questions. When certain, observe at length and ask many more questions.

A good plan, violently executed now, is better than a perfect plan next week.

If a man does his best, what more is there to ask for?

A good plan violently executed right now is far better than a perfect plan executed next week.

Take calculated risks. That is quite different from being rash.