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.

Nothing is born, nothing dies.

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.

Bring your dreams to reality. Believe in yourself. You know you have what it takes to make your dreams come true. Start now and dedicate yourself for success. Shoot for the stars and make it happen.

Meditation provides the tools not only to abide more comfortably in the present, but also to observe rather than engage with unhappiness-creating thoughts.

I know thy works that thou art neither cold nor hot: I would thou wert cold or hot.

Yes, I'm married. But my wife understands that a good politician has to be appealing to the ladies. The fact that I haven't even gotten close to cheating on her is a disappointment to us both.

I don't know if I'm the best. There are better shooters, better defenders, but there aren't too many female who play the game like I do.

I don't really need a lot of help from a director.

I once truly believed that if I had to stand in line for twenty minutes to have a package gift-wrapped it actually gave the recipient more pleasure.

Science blogs bore me. When everyone is an expert, no one is an expert.

The [Edward] Snowden disclosures created this perception that people's privacy was being put at significant risk.

Gratitude is a euphemism for resentment.