All progress is precarious, and the solution of one problem brings us face to face with another problem.

All progress is precarious, and the solution of one problem brings us face to face with another problem.

To look up and not down,
To look forward and not back,
To look out and not read more

To look up and not down,
To look forward and not back,
To look out and not in--and
To lend a hand.

Progress is the process whereby the human race is getting rid of whiskers, the veriform appendix and God.

Progress is the process whereby the human race is getting rid of whiskers, the veriform appendix and God.

New occasions teach new duties, time makes ancient good uncouth;
They must upward still and onward, who would keep read more

New occasions teach new duties, time makes ancient good uncouth;
They must upward still and onward, who would keep abreast of
truth.

Progress has not followed a straight ascending line, but a spiral
with rhythms of progress and retrogression, of evolution read more

Progress has not followed a straight ascending line, but a spiral
with rhythms of progress and retrogression, of evolution and
dissolution.

A man prepared has half fought the battle.
[Sp., Hombre apercebido medio combatido.]

A man prepared has half fought the battle.
[Sp., Hombre apercebido medio combatido.]

Progress might have been alright once, but it has gone on too long.

Progress might have been alright once, but it has gone on too long.

There is no advancement to him who stands trembling because he cannot see the end from the beginning.

There is no advancement to him who stands trembling because he cannot see the end from the beginning.

The reasonable man adapts himself to the world, but the unreasonable man tries to adapt the world to him--therefore, all read more

The reasonable man adapts himself to the world, but the unreasonable man tries to adapt the world to him--therefore, all progress depends upon the unreasonable man.