In this world, the optimists have it, not because they are always right, but because they are positive. Even when they are wrong they are positive, and that is the way of achievement, correction, improvement, and success. Educated, eye-open optimism pays.

Educated, eyes-open optimism pays; pessimism can only offer the empty consolation of being right.

If the gains from trade in commodities are substantial, they are small compared to trade in ideas

In this world, the optimists have it, not because they are always right, but because they are positive. Even when they are wrong they are positive, and that is the way of achievement, correction, improvement, and success. Educated, eye-open optimism pays.

If we learn anything from the history of economic development, it is that culture makes all the difference.

Scepticism and refusal of authority is at the heart of scientific endeavour. Scientific knowledge dictates economic possibilities

It is the process of evolution which identifies innovative benefits from any source and selects them on merit without prejudice