This book's like black holes. It really engulfes you whole.
From the dawn of exact knowledge to the present day, observation, experiment, and speculation have gone hand in hand; and, whenever science has halted or strayed from the right path, it has been, either because its votaries have been content with mere unverified or unverifiable speculation (and this is the commonest case, because observation and experiment are hard work, while speculation is amusing); or it has been, because the accumulation of details of observation has for a time excluded speculation.
The Advance of Science in the Last Half-Century
Quote Detail
From the dawn of exact knowledge to the present day, observation, experiment, and speculation have gone hand in hand; and, whenever science has halted or strayed from the right path, it has been, either because its votaries have been content with mere unverified or unverifiable speculation (and this is the commonest case, because observation and experiment are hard work, while speculation is amusing); or it has been, because the accumulation of details of observation has for a time excluded speculation.
Quick Answer
What this quote page tells you
This canonical quote page keeps the full saying, the attributed author, any linked work, and the topic tags together so the quote can be cited from one stable URL.
Related Quotes
More quote cards from the same area
Had Moreau had any intelligible object, I could have sympathized at least a little with him. I am not so squeamish about pain as that. I could have forgiven him a little even, had his motive been only hate. But he was so irresponsible, so utterly careless! His curiosity, his mad, aimless investigations, drove him on; and the Things were thrown out to live a year or so, to struggle and blunder and suffer, and at last to die painfully.
A mind is a simulation that simulates itself.
He was following the Earth through its days, drifting with the rhythms of its myriad pulses, seeping through the webs of its life, swelling with its tides, turning with its weight.
The universe has become not only conscious and aware of itself but capable in some respects of choosing its path into the future--though all three, the consciousness, the knowledge, and the choice, are dispersed over a vast crowd of beings, acting both individually and collectively.
[Some scientific] experiments_tell us that what we consider the objective world depends in some measure on our own conscious processes. There is no fixed eternal reality_ true understanding is not to be achieved with the rational mind.