Nearly everything you do is of no importance, but it is important that you do it.

Obstacles are those frightful things you see when you take your eyes off your goal. 

Men are mortal. So are ideas. An idea needs propagation as much as a plant needs watering. Otherwise both will wither and die.

Concern for man and his fate must always form the chief interest of all technical endeavors. Never forget this in the midst of your diagrams and equations.

Children need to get a high-quality education, avoid violence and the criminal-justice system, and gain jobs. But they deserve more. We want them to learn not only reading and math but fairness, caring, self-respect, family commitment, and civic duty.

Capital punishment is as fundamentally wrong as a cure for crime as charity is wrong as a cure for poverty. 

Government of the people, by the people, for the people, shall not perish from the Earth.

Never think there is anything impossible for the soul. It is the greatest heresy to think so. If there is sin, this is the only sin; to say that you are weak, or others are weak.

The kindness in our nature or behaviour can become the reason for our own defeat. So, with full rage in our eyes, we have to fight for the injustice which is happening to us.

Nothing is more destructive of respect for the government and the law of the land than passing laws which cannot be enforced. 

I was always fascinated by engineering. Maybe it was an attempt maybe to get my father's respect or interest, or maybe it was just a genetic love of technology, but I was always trying to build things.

Courageous people do not fear forgiving, for the sake of peace.