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.

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. read more

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

Not to go back is somewhat to advance, and men must walk, at least, before they dance.

Not to go back is somewhat to advance, and men must walk, at least, before they dance.

Doubt can only be removed by action.

Doubt can only be removed by action.

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.]

All things journey: sun and moon,
Morning, noon, and afternoon,
Night and all her stars;
read more

All things journey: sun and moon,
Morning, noon, and afternoon,
Night and all her stars;
'Twixt the east and western bars
Round they journey,
Come and go!
We go with them!

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.

It has become appallingly obvious that our technology has exceeded our humanity.

It has become appallingly obvious that our technology has exceeded our humanity.

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.