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.

Whoso neglects learning in his youth, loses the past and is dead for the future.

Whoso neglects learning in his youth, loses the past and is dead for the future.

Being intelligent is not a felony. But most societies evaluate it as at least a misdemeanor.

Being intelligent is not a felony. But most societies evaluate it as at least a misdemeanor.

The human understanding is no dry light, but receives infusion from the will and affections; which proceed sciences which may read more

The human understanding is no dry light, but receives infusion from the will and affections; which proceed sciences which may be called "sciences as one would." For what a man had rather were true he more readily believes. Therefore he rejects difficult things from impatience of research; sober things, because they narrow hope; the deeper things of nature, from superstition; the light of experience, from arrogance and pride; things not commonly believed, out of deference to the opinion of the vulgar. Numberless in short are the ways, and sometimes imperceptible, in which the affections color and infect the understanding.

This is the constitutional limitation of man's knowledge and interests, the fact that he cannot know more than a tiny read more

This is the constitutional limitation of man's knowledge and interests, the fact that he cannot know more than a tiny part of the whole of society and that therefore all that can enter into his motives are the immediate effects which his actions will have in the sphere he knows.

Every man is as Heaven made him, and sometimes a great deal worse.

Every man is as Heaven made him, and sometimes a great deal worse.

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of read more

The main fuel to speed the world's progress is our stock of knowledge, and the brake is our lack of imagination.

Action may not always bring happiness; but there is no happiness without action.

Action may not always bring happiness; but there is no happiness without action.

A nail is driven out by another nail. Habit is overcome by habit.

A nail is driven out by another nail. Habit is overcome by habit.