If you can't explain it simply, you don't understand it well enough.
Books are for people who wish they were somewhere else.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
Knowledge becomes evil if the aim be not virtuous.
It is beyond a doubt that all our knowledge begins with experience.
Opinion is the medium between knowledge and ignorance.
Education is the best friend. An educated person is respected everywhere. Education beats the beauty and the youth.
Suddenly degrees aren't worth anything. Isn't that true? When I was a student, if you had a degree, you had a job. If you didn't have a job it's because you didn't want one. And I didn't want one, frankly.
If the facts don't fit the theory, change the facts.
Science is not only a disciple of reason but, also, one of romance and passion.
Those who fail to learn the lessons of history are doomed to repeat them.
If you're not learning while you're earning, you're cheating yourself out of the better portion of your compensation.
The knowledge of all things is possible
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The ability to observe without evaluating is the highest form of intelligence.
Investigate, educate and organize the country must progress, productive works and industries are the main avenues at present next to education for the advancement of the country
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
The most important part of teaching is to teach what it is to know.
Education is an ornament for the prosperous, a refuge for the unfortunate.
It is possible to fly without motors, but not without knowledge and skill.
There is no authority who decides what is a good idea.