A man of knowledge lives by acting, not by thinking about acting.
Knowledge always desires increase, it is like fire, which must first be kindled by some external agent, but which will afterwards propagate itself.
To know is not to be wise. To know how to use knowledge is to have wisdom.
If knowledge can create problems, it is not through ignorance that we can solve them.
Knowledge is in the end based on acknowledgement.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.
Not only is there an art in knowing a thing, but also a certain art in teaching it.
We must learn to apply all that we know so that we can attract all that we want.
One should guard against preaching to young people success in the customary form as the main aim in life. The most important motive for work in school and in life is pleasure in work, pleasure in its result, and the knowledge of the value of the result to the community.
Knowledge is the knowing that we cannot know.
love of learning is the most necessary passion ... in it lies our happiness. It's a sure remedy for what ails us, an unending source of pleasure.
Good nature is worth more than knowledge, more than money, more than honor, to the persons who possess it.
A man's errors are his portals of discovery.
Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world, and all there ever will be to know and understand.
It is disgraceful to live as a stranger in one's country, and be an alien in any matter that affects our welfare.
It is impossible to begin to learn that which one thinks one already knows.
Some people read so little they have rickets of the mind.
One thorn of experience is worth a whole wilderness of warning.
To be conscious that you are ignorant of the facts is a great step to knowledge.
I learn immediately from any speaker how much he has already lived, through the poverty or the splendor of his speech. Life lies behind us as the quarry from whence we get tiles and copestones for the masonry of today. This is the way to learn grammar. Colleges and books only copy the language which the field and the work-yard made.
Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.
It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so.
What you know, you know, what you don't know, you don't know. This is true wisdom.
One must have a thorough knowledge of anatomy and a good perception of depth for silhouette work. Otherwise they resemble those childish picture cards, snipped out by some fool who doesn't know what he is trying to do.
Faith is a knowledge within the heart, beyond the reach of proof.
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