It is better for all the world, if instead of waiting to execute degenerate offspring for crime or to let them starve for their imbecility, society can prevent those who are manifestly unfit from continuing their kind. The principle that sustains compulsory vaccination is broad enough to cover cutting the fallopian tubes. Three generations of imbeciles are enough.

Whatever disagreement there may be as to the scope of the phrase "due process of law" there can be no doubt that it embraces the fundamental conception of a fair trial, with opportunity to be heard.

Any tax is a discouragement and therefore a regulation so far as it goes.

If there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought, not free thought for those who agree with us but freedom for the thought that we hate.

Life, not the parson, teaches conduct.

War? War is an organized bore.

On every stem, on every leaf,... and at the root of everything that grew, was a professional specialist in the shape of grub, caterpillar, aphis, or other expert, whose business it was to devour that particular part.