First, study the present construction. Second, ask for all past experiences ...study and read everything you can on the subject.

A good intention, with a bad approach, often leads to a poor result.

I was always afraid of things that worked the first time. Long experience proved that there were great drawbacks found generally before they could be got commercial; but here was something there was no doubt of.

I love great music and art, but I think 'cubist' songs and paintings are hideous.

People are not remembered by how few times they fail, but by how often they succeed. Every wrong step is another step forward

Everyone steals in commerce and industry. I've stolen a lot, myself. But I know how to steal! They don't know how to steal!

I have not failed. I have successfully discovered 1200 ideas that don't work.