Fortune favors the well-prepared.
There is no such thing as applied science, only the application of pure science.
Live in the serene peace of laboratories and libraries
Whatever your career may be, do not let yourselves become tainted by a deprecating and barren scepticism.
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.
In good philosophy, the word cause ought to be reserved to the single Divine impulse that has formed the universe.