1. “When the only tool you have is a hammer, every problem begins to resemble a nail.” (Abraham Maslow)

2. “The measure of success is not whether you have a tough problem to deal with, but whether it’s the same problem you had last year.” (John Foster Dulles)

3. “We can’t solve problems by using the same kind of thinking we used when we created them.” (Albert Einstein)

4. “A problem well stated, is a problem half solved.” (Anon)

5. “The first problem for all of us, men and women, is not to learn, but to unlearn.” (Gloria Steinem)

Borrowed with pride from all over the place.