The mind cannot foresee its own advance.

The mind cannot foresee its own advance.

Civilization is an enormous device for economizing knowledge,.

Civilization is an enormous device for economizing knowledge,.

Self-righteousness is a loud din raised to drown the voice of guilt within us.

Self-righteousness is a loud din raised to drown the voice of guilt within us.

Yield to temptation; it may not pass your way again.

Yield to temptation; it may not pass your way again.

The only sure weapon against bad ideas is better ideas.

The only sure weapon against bad ideas is better ideas.

Better mad with the rest of the world than wise alone.

Better mad with the rest of the world than wise alone.

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental read more

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental abilities and the prevailing state of scientific thought.

Reason and action are congeneric and homogenous, two aspects of the same phenomenon.

Reason and action are congeneric and homogenous, two aspects of the same phenomenon.

We cannot but be astonished at the ease with which men resign themselves to ignorance about what is most important read more

We cannot but be astonished at the ease with which men resign themselves to ignorance about what is most important for them to know; and we may be certain that they are determined to remain invincibly ignorant if they once come to consider it as axiomatic that there are no absolute principles.