Knowing is not understanding. There is a great difference between knowing and understanding: you can know a lot about something and not really understand it. Charles Kettering differencegreatknow Change image and share on social
Problems are the price of progress. Don't bring me anything but trouble. Good news weakens me. Charles Kettering bringgoodnews Change image and share on social
The only time you mustn't fail is the last time you try. Charles Kettering failmustntime Change image and share on social
People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people. Charles Kettering askinventorpeople Change image and share on social
A problem well stated is a problem half-solved. Charles Kettering halfproblemsolve Change image and share on social
The world hates change, yet it is the only thing that has brought progress. Charles Kettering bringchangehate Change image and share on social
Every time you tear a leaf off a calendar, you present a new place for new ideas and progress. Charles Kettering calendaridealeaf Change image and share on social
If you have always done it that way, it is probably wrong. Charles Kettering wrong Change image and share on social
People are very open-minded about new things - as long as they're exactly like the old ones. Charles Kettering longmindopen Change image and share on social
We should all be concerned about the future because we will have to spend the rest of our lives there. Charles Kettering concernfuturelive Change image and share on social