"How is it, then, with you--inveterate habit or the strain of the ages?
For they say you have not had your due reward." He smiled grimly.

"Ah, no, with me virtue is the act of an inquiring mind--to discover where it will lead me.

I began with political crime--I was understood! I practise political virtue: it embarrasses the world, it fogs them, it seems original, because so unnecessary.

Mine is the scientific life.

Experiment in old substances gives new--well, say, new precipitations.