All stable processes we shall predict. All unstable processes we shall control.
Any knowledge that doesn't lead to new questions quickly dies out: it fails to maintain the temperature required for sustaining life.
A little knowledge that acts is worth infinitely more than much knowledge that is idle.
I am so clever that sometimes I don't understand a single word of what I am saying.
Investigate, educate and organize.
Make it a rule never to give a child a book you would not read yourself.
A witty saying proves nothing.
I like poems you can tack all over with a hammer and there are no hollow places.
The only true wisdom is in knowing you know nothing.
The idea is to try to give all the information to help others to judge the value of your contribution; not just the information that leads to judgment in one particular direction or another.
If there were no bad people, there would be no good lawyers.
Study without desire spoils the memory, and it retains nothing that it takes in.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
The man who is fond of books is usually a man of lofty thought, and elevated opinions.
Never help a child with a task at which he feels he can succeed.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
When you know better you do better.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.
Many much-learned men have no intelligence.
I am indebted to my father for living, but to my teacher for living well.