Bernard was right. The germ is nothing, the terrain is everything.
Imagination should give wings to our thoughts but we always need decisive experimental proof, and when the moment comes to draw conclusions and to interpret the gathered observations, imagination must be checked and documented by the factual results of the experiment.
It would seem to me that I was committing a theft if I were to let one day go by without doing some work.
The greatest malfunction of spirit is to believe things.
Analogy cannot serve as proof.
Science and peace will triumph over ignorance and war.
In the realm of scientific observation, luck is granted only to those who are prepared.
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.
One must not assume that an understanding of science is present in those who borrow the language.
How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?
What did you do today to receive your instruction?
I am on the edge of mysteries and the veil is getting thinner and thinner.
These are the living springs of great thoughts and great actions. Everything grows clear in the reflections from the Infinite.
Science brings men nearer to God.
Blessed is he who carries within himself a God, an ideal, and who obeys it: ideal of art, ideal of science, ideal of the gospel virtues, therein lie the springs of great thoughts and great actions; they all reflect light from the Infinite.
Time is the best appraiser of scientific work, and I am aware that an industrial discovery rarely produces all its fruit in the hands of its first inventor.
To know how to wonder and question is the first step of the mind toward discovery.
Do not put forward anything that you cannot prove by experimentation.
If science has no country, the scientist should have one, and ascribe to it the influence which his works may have in this world.
The only thing that can bring joy is work.