Measures of sterilization should, in my opinion, be very definitely confined to persons who are mentally defective

The good life is one inspired by love and guided by knowledge.

The whole problem with the world is that fools and fanatics are always so certain of themselves, and wiser people so full of doubts.

The time you enjoy wasting is not wasted time.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

Men are born ignorant, not stupid. They are made stupid by education.

An Honest politician will not be tolerated by a democracy unless he is very stupid ... because only a very stupid man can honestly share the prejudices of more than half the nation.

If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.

We have in fact, two kinds of morality, side by side: one which we preach, but do not practice, and another which we practice, but seldom preach.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.

Cruel men believe in a cruel god and use their belief to excuse their cruelty. Only kindly men believe in a kindly god, and they would be kindly in any case.

It's not about the words that come out of your mouth. It's about the words that come out of your heart.

In common use almost every word has many shades of meaning, and therefore needs to be interpreted by the context.

I think it's important that there is a change, especially in fashion.

She said the object and color in the materials around us actually have a physical effect on us, on how we feel.

Man is an animal that cannot long be left in safety without occupation; the growth of his fallow nature is apt to run into weeds.

Somewhere in [China's] soul lurks the cunning of an old dog, and it is a cunning that is strangely impressive. What a strange old soul! What a great old soul!

My obligation as president, and what I promise the country, is that the courts will be able to do their job free of all pressure.

Don't stop. Narrow your focus to one idea, and make it work. That will give birth to all of the others. All you can do is plant the seed and water it.

Fit for the mountains and the barbarous caves, where manners ne'er were preached.

What are fears but voices airy? Whispering harm where harm is not. And deluding the unwary Till the fatal bolt is shot!