The positive heuristic of the programme saves the scientist from becoming confused by the ocean of anomalies.

Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.

Blind commitment to a theory is not an intellectual virtue: it is an intellectual crime.

No experimental result can ever kill a theory: any theory can be saved from counterinstances either by some auxiliary hypothesis or by a suitable reinterpretation of its terms.

Intellectual honesty consists in stating the precise conditions under which one will give up one's belief.

The proving power of the intellect or the senses was questioned by the skeptics more than two thousand years ago; but they were browbeaten into confusion by the glory of Newtonian physics.

Philosophy of science without history of science is empty; history of science without philosophy of science is blind.

There is no falsification before the emergence of a better theory.

In degenerating programmes, however, theories are fabricated only in order to accommodate known facts

Belief may be a regrettably unavoidable biological weakness to be kept under the control of criticism: but commitment is for Popper an outright crime.

Indeed, this epistemological theory of the relation between theory and experiment differs sharply from the epistemological theory of naive falsificationism.

I’m just a soul whose intentions are good, ’“ he sang to the crabs and the spiders and the palmetto beetles and the lizards and the night. ‘“Oh lord, please don’t let me be misunderstood.

He that composes himself is wiser than he that composes a book.

The difference between the top performers and the average or mediocre performers is not a great, massive difference. It is just a tiny difference because the top performers do things just a tiny bit.

I'm crazy about jewelry; swimwear and jewelry.

When we feed our faith, we starve our doubts.

As a coach, you're just trying to figure out how to keep a team on edge. You've got to find that edge.

Whatever there is to know, That shall we know one day.

So you set out to travel to Rome... and end up in Istanbul. You set off for Japan... and you end up on a train across Siberia. The journey, not the destination, becomes a source of wonder.

I want people to provide for themselves.

Success leaves clues, but they must be acted upon.