The knowledge of all things is possible
The most savage controversies are those about matters as to which there is no good evidence either way.
I decided to teach because I think that any person who studies philosophy has to be involved actively.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
Education is our passport to the future, for tomorrow belongs to the people who prepare for it today.
To read is to fly: it is to soar to a point of vantage which gives a view over wide terrains of history, human variety, ideas, shared experience and the fruits of many inquiries.
If you want the present to be different from the past, study the past.
The secret of life is not enjoyment but education through experience.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
If you can't explain it simply, you don't understand it well enough.
No man's knowledge here can go beyond his experience.
Show me a family of readers, and I will show you the people who move the world.
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.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
A witty saying proves nothing.
A thought is an idea in transit.
To every action there is always an equal and opposite or contrary, reaction
The only good is knowledge and the only evil is ignorance.
The deepest sin against the human mind is to believe things without evidence.
That men do not learn very much from the lessons of history is the most important of all the lessons that history has to teach.
Intelligence plus character-that is the goal of true education.