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.

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.

He that is good, will infallibly become better, and he that is bad, will as certainly become worse; for vice, read more

He that is good, will infallibly become better, and he that is bad, will as certainly become worse; for vice, virtue and time are three things that never stand still.

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.]

What we call "progress " is the exchange of one nuisance for
another nuisance.

What we call "progress " is the exchange of one nuisance for
another nuisance.

I have seen that Man moves over with each new generation into a
bigger body, more awful, more reverent read more

I have seen that Man moves over with each new generation into a
bigger body, more awful, more reverent and more free than he has
had before.

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less read more

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

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.

All rising to great place is by a winding stair.

All rising to great place is by a winding stair.