Wisest is she who knows she does not know.

A state that does not educate and train women is like a man who only trains his right arm.

A hydrogen atom in a cell at the end of my nose was once part of an elephant's trunk. A carbon atom in my cardiac muscle was once in the tail of a dinosaur.

Since the Renaissance, people have had to get used to living their life on a random planet in the vast galaxy.

It's not a silly question if you can't answer it.

Acting responsibly is not a matter of strengthening our reason but of deepening our feelings for the welfare of others.

People are, generally speaking, either dead certain or totally indifferent.

But understanding will always require some effort. You probably wouldn't admire a friend who was good at everything if it cost her no effort.

The rearing of children is considered too important to be left to the individual and should be the responsibility of the state.

When we sense something, it is due to the movement of atoms in space. When I see the moon it is because "moon atoms" penetrate my eye.

If an overgrown child draws something on a piece of paper, you can't ask the paper what the drawing is supposed to represent.

I challenge anyone to understand Islam, its spirit, and not to love it. It is a beautiful religion of brotherhood and devotion.

Age is only a number. Maturity to a large extent is dependent on your exposure to life, its experiences and your lessons from them.

Many parents have discovered, perhaps with some guilt, that they can read a story to a child while thinking of something else.

The devil's favorite place to hide is on the other side of love!

He has not a single redeeming defect.

He who wishes to fulfill his mission in the world must be a man of one idea one great overmastering purpose overshadowing all his aims and guiding and controlling his entire life.

Love is much like a wild rose beautiful and calm but willing to draw blood in its defense.

Each temptation leaves us better or worse; neutrality is impossible.

As I get older, I realize a lot of the things I could have done - things that I didn't think were so great at the time - actually would have been enjoyable.

Never underestimate the ability of a small group of committed individuals to change the world.