The men of experiment are like the ant; they only collect and use. But the bee...gathers its materials from the flowers of the garden and of the field, but transforms and digests it by a power of its own.
All our knowledge originates in opinion.
Experiment is the sole interpreter of the artifices of Nature.
A diamond is just a lump of coal that stuck to its job.
I shall do down in history as the man who opened a door!
Whoever does not respect life, does not deserve it.