Let us read and let us dance - two amusements that will never do any harm to the world.

The longer we dwell on our misfortunes the greater is their power to harm us

We are all full of weakness and errors; let us mutually pardon each other our follies - it is the first law of nature.

Four thousand volumes of metaphysics will not teach us what the soul is

What is tolerance? It is the consequence of humanity. We are all formed of frailty and error; let us pardon reciprocally each other's folly - that is the first law of nature.

Let us advance science to create a better world for all.