Never interrupt your enemy when he is making a mistake. Napoleon Bonaparte
The price of inaction is far greater than the cost of making a mistake. Meister Eckhart
Making a mistake is also an achievement. Thomas Dewar, 1st Baron Dewar
Sometimes I think I could have got some better results if I had a different mentality; if I could have pushed hard and attacked. But then I would have had a good chance of making a mistake. Alain Prost
When you get in situations where you cannot afford to make a mistake, it's very hard to do the right thing. So if you're trying to do the right thing, the right thing might be to eliminate the cost of making a mistake rather than try to guess what's right. Ward Cunningham
No one does anything right in life, until they realize that they are making a mistake. Albert Einstein