Science is practical philosophy.

We do not describe the world we see, we see the world we can describe.

Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.

De omnibus dubitandum

Divide each difficulty into as many parts as is feasible and necessary to resolve it.

Conquer yourself rather than the world.

The reading of all good books is like a conversation with the finest minds of past centuries.

The chief cause of human errors is to be found in the prejudices picked up in childhood.

Doubt is the origin of wisdom

The only thing we have power over in the universe is our own thoughts.

How can you be certain that your whole life is not a dream?

You will only be satisfied only when you are working

I'm sure that Nero didn't set fire to Rome. It was the Christian-Bolsheviks who did that, just as the Commune set fire to Paris in 1871 and the Communists set fire to the Reichstag in 1932.

Nothing is more surprising than the easiness with which the many are governed by the few.

As Vivacity is the Gift of Women, Gravity is that of Men.

I would tell kids that the person bullying you is the one with the issues and the insecurities and that they need to be strong and not let anyone tell you that you are not worth it.

To all the cynics, I'm sorry for you. I'm sorry you can't believe in miracles. This is a great sporting event and hard work wins it.

Sorrow is a stone that crushes a single bearer to the ground, while two are able to carry it with ease.

Get married, in any case. If you happen to get a good mate, you will be happy; if a bad one, you will become philosophical, which is a fine thing in itself.

The internet is changing all forms of communication, and this definitely includes political communication.

We shot 'High School Musical' in eight weeks. I spent longer rehearsing for 'Hairspray' than filming 'High School Musical'.