Man's respect for knowledge is one of his most peculiar characteristics. Knowledge in Latin is scientia, and science came to be the name of the most respectable kind of knowledge.

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

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

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.

always enjoying reading books

Creative collaboration is awesome.

Grumbling and gratitude are, for the child of God, in conflict. Be grateful and you won't grumble. Grumble and you won't be grateful.

The success of an assailant's attack depends on surprise, and if you're sufficiently alert to prevent a surprise, your counterattack is already halfway to being successful.

There's overwhelming evidence that there was a connection between Al Qaeda and the Iraqi government.

If we look at music history closely, it is not difficult to isolate certain elements of great potency which were to nourish the art of music for decades, if not centuries.

I am not a particularly thick-skinned person.

A little bait catches a large fish.

We set out what's going to be our work time versus our foundation time versus family time, and we'll reassess that... sometimes every week.

Life protracted is protracted woe.