Nothing is born, nothing dies.

Nothing is lost, nothing is created, everything is transformed

I consider nature a vast chemical laboratory in which all kinds of composition and decompositions are formed.

Languages are true analytical methods.

Sulfur, when burning, absorbs oxygen gas; the resulting acid is considerably heavier than the sulfur burned; its weight is equal to the sum of weights of the sulfur burned and the oxygen absorbed.

Vegetation is the basic instrument the creator uses to set all of nature in motion.

It is impossible to disassociate language from science...To call forth a concept, a word is needed.

In performing experiments, it is necessary... that they be simplified as much as possible, and that every circumstance that could complicate the results should be completely removed.

It required 85 parts by weight of oxygen and 15 parts of hydrogen to compose 100 parts of water.

I am young and avid for glory.

One succeeds in obtaining an equivalent production at a lower price by improving the arts, trades and agriculture and by developing the physical and moral qualities of workers, farmers and craftsmen.

Because love, love is never finished. It circles and circles, the memories out of order and not always complete.

By disappearing in the Land of Nature, you appear in the Land of Wisdom!

Success and failure are both part of life. Both are not permanent.

People tend to marry people with similar-width noses, eyes similarly apart, with complementary immune systems.

Why didn't you tell me I was in love with you?

Generally, I am opposed to painting which is concerned with conceptions of simplicity. Everything looks busy to me.

Every great movement must experience three stages: ridicule, discussion, adoption.

Reliable scientific knowledge is value free and has no moral or ethical value. Science tells us how the world is. ... Dangers and ethical issue arise only when science is applied as technology.

It has been a long trip," said Milo, climbing onto the couch where the princesses sat; "but we would have been here much sooner if I hadn't made so many mistakes. I'm afraid it's all my fault.

Hope smiled when your nativity was cast, Children of Summer!