Porcelain is the most alchemical of materials, turning earth into something that seems to hold light.
The only way to learn mathematics is to do mathematics.
The great question which, in all ages, has disturbed mankind, and brought on them the greatest part of their mischiefs, has been, not whether there be power in the world, nor whence it came, but who should have it.
The health of the oceans reflects the health of humanity.
You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject forever.
"To live is the rarest thing in the world. Most people exist, that is all."