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

The future...something which everyone reaches at the rate of sixty minutes an hour, whatever he does, whoever he is.

He alone who owns the youth gains the future.

Do not boast about tomorrow, for you do not know what a day may bring.

I don’t try to describe the future. I try to prevent it.

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

We must confess that at present the rich predominate, but the future will be for the virtuous and ingenious.

The future is no more uncertain than the present.

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

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

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.

Men are able to assist fortune but not to thwart her. They can weave her designs, but they cannot destroy them.