Sit down before fact as a little child, be prepared to give up every conceived notion, follow humbly wherever and whatever abysses nature leads, or you will learn nothing.
The only medicine for suffering, crime, and all other woes of mankind, is wisdom. Teach a man to read and write, and you have put into his hands the great keys of the wisdom box. But it is quite another thing to open the box.
Logical consequences are the scarecrows of fools and the beacons of wise men.
Time, whose tooth gnaws away everything else, is powerless against truth.
History warns us that it is the customary fate of new truths to begin as heresies and to end as superstitions.
It is the customary fate of new truths, to begin as heresies, and to end as superstitions.