The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough read more

The rung of a ladder was never meant to rest upon, but only to hold a man's foot long enough to enable him to put the other somewhat higher. - Life and Letters of Thomas Huxley.

Man is the animal that intends to shoot himself out into interplanetary space, after having given up on the problem read more

Man is the animal that intends to shoot himself out into interplanetary space, after having given up on the problem of an efficient way to get himself five miles to work and back each day.

The worst thing that can happen to a good cause is, not to be skillfully attacked, but to be ineptly read more

The worst thing that can happen to a good cause is, not to be skillfully attacked, but to be ineptly defended.

The collective matrix of a science at a given time is determined by a kind of establishment, which includes universities, read more

The collective matrix of a science at a given time is determined by a kind of establishment, which includes universities, learned societies, and, more recently, the editorial offices of technical journals. Like other establishments, they are consciously or unconsciously bent on preserving the status quo- partly because unorthodox innovations are a threat to their authority, but also because of the deeper fear that their laboriously erected an intellectual edifice might collapse under the impact.

Never do today what you can put off till tomorrow if tomorrow might improve the odds.

Never do today what you can put off till tomorrow if tomorrow might improve the odds.

Never assume the obvious is true.

Never assume the obvious is true.

A society grows great when old men plant trees whose shade they know they shall never sit in.

A society grows great when old men plant trees whose shade they know they shall never sit in.

Scientific research sooner or later, but inevitably, encounters something ultimately given that it cannot trace back to something else of read more

Scientific research sooner or later, but inevitably, encounters something ultimately given that it cannot trace back to something else of which it would appear as the regular or necessary derivative. Scientific progress consists in pushing further back this ultimately given.

The vigor of a mass movement stems from the propensity of its followers for united action and self-sacrifice. When we read more

The vigor of a mass movement stems from the propensity of its followers for united action and self-sacrifice. When we ascribe the success of a movement to its faith, doctrine, propaganda, leadership, ruthlessness and so on, we are but referring to instruments of unification and to means used to inculcate a readiness for self-sacrifice. It is perhaps impossible to understand the nature of a mass movement unless it is recognized that their chief preoccupation is to foster, perfect and perpetuate a facility for united action and self-sacrifice.