A change of fortune hurts a wise man no more than a change of the moon.

All progress is based upon a universal, innate desire on the part of every organism to live beyond its income.

People will not look forward to posterity who never look backward to their ancestors.

As natural selection works solely by and for the good of each being, all corporeal and mental endowments will tend to progress toward perfection.

Time will reveal everything. It is a babbler and speaks even when not asked.