Economics is not an exact science. It's a combination of an art and elements of science. And that's almost the first and last lesson to be learned about economics: that in my judgment, we are not converging toward exactitude, but we're improving our data bases and our ways of reasoning about them.
Since the '86 amnesty, the number of illegal immigrants has quadrupled. That should teach Congress a very important lesson: Amnesty 'bends' the rule of law. And bending the rule of law to reach a 'comprehensive' deal winds up provoking wholesale breaking of the law.
If I have learned nothing else in all my years here, my biggest lesson is you have to constantly reinvent this company. That's how you get to be 103 years old.
The biggest lesson we have to give our children is truth.
The biggest lesson I learned in 2017 is do the best with what you have with where you are.
The biggest lesson I had in my life was failure.
The biggest lesson I've learned throughout the first season of 'Workin' Moms' is that you have to give yourself permission to forgive yourself.
I think the biggest lesson I have learned is not to get too anxious about your work.
I learned the biggest lesson just watching Ed McMahon, watching him watch Mr. Carson's monologue.
Every lesson I learned as a kid was at the dinner table. Being Greek, Sicilian and Ruthenian - we are an emotional bunch. It is where we laughed, cried and yelled - but most importantly, where we bonded and connected.
When I was a teenager, the biggest heartthrob was Tab Hunter. He was in every movie out of Warner Bros. until he was exposed as gay, and his career faded. That was an object lesson. I knew I must protect my sexual orientation.
The first meal was an object lesson of much variety. My father produced several kinds of food, ready to eat, without any cooking, from little tin cans that had printing all over them.
My lesson from history is that if there is a strong moderate centrist party which can lead the country, there is no room for extremists from the right or left.
For me, 'The Hobbit' is an object lesson in storytelling, both in terms of characterization and story structure. It is an exemplar of storytelling in that regard.
The charm of history and its enigmatic lesson consist in the fact that, from age to age, nothing changes and yet everything is completely different.
There's no problem on the planet that can't be solved without violence. That's the lesson of the civil rights movement.
The best math lesson we can teach college students this year is to subtract a tuition increase and benefit from the dividends of higher education.
Confining marine animals to tanks and separating them from their families and their natural surroundings, just so people can watch them swim in endless circles, teaches us far more about humans than it does about animals - and the lesson is not a flattering one.
Perhaps the most useful lesson which has come out of the work on penicillin has been the demonstration that success in this field depends on the development and coordinated use of technical methods.
Suffering is a corrective to point out a lesson which by other means we have failed to grasp, and never can it be eradicated until that lesson is learnt.