A little knowledge is a dangerous thing. So is a lot.
It isn't what we don't know that gives us trouble, it's what we know that ain't so.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
My weapon is literature
The man who does not read good books has no advantage over the man who can't read them.
If I could explain it to the average person, I wouldn't have been worth the Nobel Prize.
As we acquire more knowledge, things do not become more comprehensible but more mysterious.
If the facts don't fit the theory, change the facts.
I am indebted to my father for living, but to my teacher for living well.
Science is a rising force, It is creating a new world about us. It needs to be watched and pressed into service, and in any case, it would be courting disaster to ignore it.
Science is what we have learned about how to keep from fooling ourselves.
The reading of all good books is like conversation with the finest men of past centuries.
What sculpture is to a block of marble, education is to a human soul.
To every action there is always an equal and opposite or contrary, reaction
My alma mater was books, a good library.... I could spend the rest of my life reading, just satisfying my curiosity.
Investigate, educate and organize.
The deepest sin against the human mind is to believe things without evidence.
I think that kids have a greater capacity for processing things than we give them credit for.
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.
The first idea the child must acquire is that of the difference between good and evil.
The real solution lies in a world in which charity will have become unnecessary.