There is no such thing as applied science, only the application of pure science.

Chance favours the trained mind.

Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.

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.

My strength lies solely in my tenacity.

Wine is the most healthful and most hygienic of beverages.

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.