These are the living springs of great thoughts and great actions. Everything grows clear in the reflections from the Infinite.

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.

The artificial products do not have any molecular dissymmetry; and I could not indicate the existence of a more profound separation between the products born under the influence of life and all the others.

Question your priorities often, make sure God always comes first.

I give them experiments and they respond with speeches.

Every chemical substance, whether natural or artificial, falls into one of two major categories, according to the spatial characteristic of its form. The distinction is between those substances that have a plane of symmetry and those that do not. The former belong to the mineral, the latter to the living world.

How do you know that the incessant progress of science will not compel scientists to consider that life has existed during eternity, and not matter?