It isn't what we don't know that gives us trouble, it's what we know that ain't so.
The books that the world calls immoral are books that show the world its own shame.
Courage, conviction and confidence.
The ability to observe without evaluating is the highest form of intelligence.
The secret of life is not enjoyment but education through experience.
Knowledge becomes evil if the aim be not virtuous.
A witty saying proves nothing.
I have just three things to teach: simplicity, patience, compassion. These three are your greatest treasures.
A spirit of national masochism prevails, encouraged by an effete corps of impudent snobs who characterize themselves as intellectuals.
Learning never exhausts the mind.
Dare to think for yourself.
What we know is a drop, what we don't know is an ocean.
To every action there is always an equal and opposite or contrary, reaction
Educate the children and it won't be necessary to punish the men.
Education is a human right with immense power to transform. On its foundation rest the cornerstones of freedom, democracy and sustainable human development.
The progressive development of man is vitally dependent on invention.
Knowing others is wisdom, knowing yourself is Enlightenment.
The first idea the child must acquire is that of the difference between good and evil.
There is nothing more awful, insulting, and depressing than banality.
A little knowledge is a dangerous thing. So is a lot.
Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.