Better know nothing than half-know many things.

The direction in which education starts a man will determine his future in life

Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.

The highest activity a human being can attain is learning for understanding, because to understand is to be free.

I have no special talents. I am only passionately curious.

Common sense is the collection of prejudices acquired by age eighteen.

Knowing others is wisdom, knowing yourself is Enlightenment.

If you can't explain it simply, you don't understand it well enough.

Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.

Reading without reflecting is like eating without digesting.

When you know better you do better.

A thought is an idea in transit.

Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.

Knowledge becomes evil if the aim be not virtuous.

The man who does not read good books has no advantage over the man who can't read them.

Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

To every action there is always an equal and opposite or contrary, reaction

All stable processes we shall predict. All unstable processes we shall control.

Don't worry that children never listen to you; worry that they are always watching you.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

Civilization is a race between disaster and education.