If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.

I often quote myself. I find it adds spice to the conversation.

Irish history is something no Englishman should forget and no Irishman should remember.

I learned long ago, never to wrestle with a pig, you get dirty; and besides, the pig likes it.

If I give you a penny, you will be one penny richer and I'll be one penny poorer. But if I give you an idea, you will have a new idea, but I shall still have i…

Progress comes from finding better ways to do things. Don't be afraid of innovation. Don't be afraid of ideas that are not your own.

Here am I, the often sat on Dancing don; my name is T-TT-N; Like old wine in a new bottle Is my talk on Aristotle.