It is wrong for a man to say that he is certain of the objective truth of any proposition unless he can produce evidence which logically justifies that certainty.
Science is organized common sense where many a beautiful theory was killed by an ugly fact.
Interpretation
What this quote means
Science refines our intuitive understanding by systematically testing ideas against reality, often challenging our beautiful theories with harsh facts.
In this quote, Thomas Huxley emphasizes that while science is grounded in rationality and common sense, it is also a rigorous discipline that demands evidence. The quote highlights the tension between attractive theories, which may seem appealing and plausible, and the often harsh reality of factual evidence that can debunk or contradict those theories. It serves as a reminder that in the realm of scientific inquiry, empirical data takes precedence over mere speculation or aesthetic appeal.
Themes
In practice
Example use cases
This quote is perfect for a discussion on the importance of empirical evidence in scientific research.
More from Thomas Huxley
All quotes βThe child who has been taught to make an accurate elevation, plan, and section of a pint pot has had an admirable training in accuracy of eye and hand.
Let us have "sweet girl graduates" by all means. They will be none the less sweet for a little wisdom; and the "golden hair" will not curl less gracefully outside the head by reason of there being brains within.
The secret of genius is to carry the spirit of childhood into maturity.
It is the first duty of a hypothesis to be intelligible.
Of the few innocent pleasures left to men past middle life, the jamming of common sense down the throats of fools is perhaps the keenest.
Similar quotes
No doubt science cannot admit of compromises, and can only bring out the complete truth. Hence there must be controversy, and the strife may be, and sometimes must be, sharp. But must it even then be personal? Does it help science to attack the man as well as the statement? On the contrary, has not science the noble privilege of carrying on its controversies without personal quarrels?
We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.
There can sometimes be this fear among laypeople: 'I don't understand everything in science perfectly, so I just can't say anything about it.' I think it's good to know that we scientists are also confused some of the time.
The best scientist is open to experience and begins with romance - the idea that anything is possible.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
Perhaps one day earthquakes, hurricanes and financial crashes will all be predictable. But we don't have to wait until then for seismology, meteorology and economics to become sciences; they already are.