But what is liberty without wisdom, and without virtue? It is the greatest of all possible evils; for it is folly, vice, and madness, without tuition or restraint.

The only thing necessary for the triumph of evil is for good men to do nothing.

Nobody made a greater mistake than he who did nothing because he could do only a little.

Those who don't know history are destined to repeat it.

The hottest fires in hell are reserved for those who remain neutral in times of moral crisis.

Silence is golden but when it threatens your freedom it's yellow.

In a democracy, the majority of the citizens is capable of exercising the most cruel oppressions upon the minority.

It is a general popular error to suppose the loudest complainers for the public to be the most anxious for its welfare.

When you fear something, learn as much about it as you can. Knowledge conquers fear.

Mere parsimony is not economy. Expense, and great expense, may be an essential part in true economy.

The Fate of good men who refuse to become involved in politics is to be ruled by evil men.

Defeat none but one

I still think sincere pessimism the unpardonable sin.

Electric cars are not going to take the market by storm, but it's going to be a gradual improvement.

Shutting off the thought process is not rejuvenating; the mind is like a car battery - it recharges by running.

Purity is the feminine, truth the masculine of honor.

The task of building a great university is never simple.

You can't really compare hells. But I suppose the hell of being strung out on another person's addictive behavior is its own special thing.

The finest act of seeing is necessarily always the act of not seeing something else.

We have been maintaining a standard of living by putting things on the debt of the next generation.

If anyone did any harm to my children, I don't know what I would do.