“But the process should not be confused with science. When tests are used as selections devices, they're not a neutral tool; they become a large factor int he very equation they purport to measure. For one thing, the tests tend to screen out - or repel - those who would upset the correlation. If a man can't get into the company in the first place because he isn't the company type, he can't very well get to be an executive and be tested in a study to find out what kind if profile subsequent executives should match. Long before personality tests were invented, of course, plenty of companies proved that if you only hire people of a certain type, then all your successful men will be people of that type. But no one confused this with the immutable laws of science.”

“Ethical axioms are found and tested not very differently from the axioms of science. Truth is what stands the test of experience.”

“What a test that is: more than devotion, admiration, passion. If you long and long for someone’s company you love them.”

“Sure, when you're in the midst of your own suffering, it's easy to convince yourself that you're no good—but we are all tested in this life...The measure of a man is not how much he suffers in the test, but how he comes out at the end.”

“The first - the most obvious (test of a true social entrepreneur) - is are they possessed, really possessed by an idea... The idea - making it happen across society - is something they are married to in the full sense of the word. One key test of that is this: Is this an idea that you see growing out of their whole life? I get very, very suspicious when I see someone who had an idea two years ago. It just doesn't ring true. Because with the typical entrepreneur you can see the roots of the interest when they're very young. There's a real coherence to people's lives.”

“You should have to pass an IQ test before you breed. You have to take a driving test to operate vehicles and an SAT test to get into college. So why don’t you have to take some sort of test before you give birth to children? When I am President, that’s the first rule I will institute.”