Louis Pasteur Mind Quotations

We affirm the neutrality of Science ... Science is of no country. ... But if Science has no country, the scientist must keep in mind all that may work towards the glory of his country. In every great scientist will be found a great patriot.

In matters of observation chance favors only the prepared mind. (not literal translation) - Dan's les champs de observation le hasard ne favorise que les esprits prepares.

Chance favours a prepared mind.

Chance favours the trained mind.

... by chance you will say, but chance only favors the mind which is prepared.

In the fields of observation chance favors only those minds which are prepared.

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of invention. ... [Do not] share the opinion of those narrow minds who disdain everything in science which has not an immediate application. ... A theoretical discovery has but the merit of its existence: it awakens hope, and that is all. But let it be cultivated, let it grow, and you will see what it will become.

To know how to wonder and question is the first step of the mind toward discovery.

Inspiration is the impact of a fact on a well-prepared mind

Did you ever observe to whom the accidents happen? Chance favors only the prepared mind.

Luck favors the mind that is prepared.

The greatest disorder of the mind is to let will direct it.

The greatest derangement of the mind is to believe in something because one wishes it to be so.

Change only favours minds that are diligently looking and preparing for discovery.