The world began without man, and it will end without him.

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

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

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

The world is dying of machinery; that is the great disease, that is the plague that will sweep away and destroy civilization; man will have to rise against it sooner or later.

The less a man knows about the past and the present, the more insecure must prove to be his judgment of the future.

Real generosity toward the future lies in giving all to the present.

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

God seems to have left the receiver off the hook, and time is running out.

My interest is in the future, because I am going to spend the rest of my life there.

I’ve seen the future, brother; it is murder.

Fate leads the willing and drags along those who hang back.

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