The books that the world calls immoral are books that show the world its own shame.
Knowledge, Action, Devotion are complementary to each other.
A witty saying proves nothing.
I had rather excel others in the knowledge of what is excellent, than in the extent of my power and dominion
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
The reading of all good books is like conversation with the finest men of past centuries.
The great difficulty in education is to get experience out of ideas.
If you're teaching today what you were teaching five years ago, either the field is dead or you are.
I am a part of everything that I have read.
Action not backed by knowledge and knowledge not translatable into action, both can not stand the test of time.
Real knowledge is to know the extent of one's ignorance.
What is now proved was once only imagined.
For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.
Those who fail to learn the lessons of history are doomed to repeat them.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
Never help a child with a task at which he feels he can succeed.
Investigate, educate and organize.
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.
The whole of science is nothing more than a refinement of everyday thinking.
It is possible to fly without motors, but not without knowledge and skill.