The flavor of wine is like delicate poetry.
In the realm of scientific observation, luck is granted only to those who are prepared.
A bottle of wine contains more philosophy than all the books in the world.
Without theory, practice is but routine born of habit. Theory alone can bring forth and develop the spirit of inventions.
You have not succeeded in your experiments, that is all there is to it.
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.