Fortune favors the well-prepared.

Never will the doctrine of spontaneous generation recover from the mortal blow struck by this simple experiment.

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.

Do not promote what you can't explain, simplify, and prove early.

There does not exist a category of science to which one can give the name applied science. There are sciences and the applications of science, bound together as the fruit of the tree which bears it.

One must not assume that an understanding of science is present in those who borrow the language