All one needs to do is declare oneself free and one will immediately feel dependent. If you dare to declare yourself dependent, you feel independent.

If we examine every stage of our lives, we find that from our first breath to our last we are under the constraint of circumstances. And yet we still possess the greatest of all freedoms, the power of developing our innermost selves in harmony with the moral order of the universe, and so winning peace of heart whatever obstacles we meet.

If you inquire what people are like here, I must answer, "The same as everywhere."

The artist who is not also a craftsman is no good; but, alas, most of our artists are nothing else.

The works of Lavoisier and his associates operated upon many of us at that time like the Sun's rising after a night of moonshine: but Chemistry is now betrothed to the Mathematics, and is in consequence grown somewhat shy of her former admirers.

Be generous with kindly words, especially about those who are absent.

When you praise someone you call yourself his equal.