It seldom happens that any felicity comes so pure as not to be tempered and allayed by some mixture of sorrow.

Good actions ennoble us, and we are the sons of our deeds.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.?

Freedom lies in being bold.

True valor lies between cowardice and rashness.

Everyone is born a genius, but the process of living de-geniuses them.

A good goal is like a strenuous exercise - it makes you stretch.

When you get to a certain age, there is no coming back.

Fashion changes, but style endures.

Don't take the wrong side of an argument just because your opponent has taken the right side.

Obsession is an attractive thing. People who are really, really interested and good at one thing and smart are attractive, if they're men.

Science is not only compatible with spirituality; it is a profound source of spirituality.

Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

Authority, without any condition and reservation, belongs to the nation.

Laziness never arrived at the attainment of a good wish.

We are all now connected by the Internet, like neurons in a giant brain.

You sort of start thinking anything's possible if you've got enough nerve.

The future belongs to those who believe in the beauty of their dreams.

You are like my little dog; when people see you, they know I am nearby.

A process cannot be understood by stopping it. Understanding must move with the flow of the process, must join it and flow with it.

But there is only one thing which gathers people into seditious commotion, and that is oppression