Defining Quotes (3 quotes)
Knowledge of the laws of nature offers humankind the only chance of survival in a changing environment. The search for knowledge gives expression to a basic curiosity which appears to be the salient defining characteristic of human beings.
Laplace considers astronomy a science of observation, because we can only observe the movements of the planets; we cannot reach them, indeed, to alter their course and to experiment with them. On earth, said Laplace, we make phenomena vary by experiments; in the sky, we carefully define all the phenomena presented to us by celestial motion. Certain physicians call medicine a science of observations, because they wrongly think that experimentation is inapplicable to it.
Listen to the community: it's defining its own problems, and may well know what to do about them.