The way to combat noxious ideas is with other ideas. The way to combat falsehoods is with truth.

Common sense often makes a good law.

As night-fall does not come at once, neither does oppression...It is in such twilight that we all must be aware of change in the air - however slight - lest we become victims of the darkness.

The function of the prosecutor under the federal Constitution is not to tack as many skins of victims as possible against the wall. His function is to vindicate the rights of the people as expressed in the laws and give those accused of crime a fair trial.

Sunlight is the best disinfectant.

A function of free speech under our system of government is to invite dispute. It may indeed best serve its high purpose when it invites a condition of unrest, creates dissatisfaction with conditions as they are, or even stirs people to anger. Speech is often provocative and challenging. It may strike at prejudices and preconceptions and have profound unsettling effects as it passes for acceptance of an idea.

Where suspicion fills the air and holds scholars in line for fear of their jobs, there can be no exercise of the free intellect. Supineness and dogmatism take the place of inquiry. A problem can no longer be pursued to its edges. Fear stalks the classroom. The teacher is no longer a stimulant to adventurous thinking; she becomes instead a pipe line for safe and sound information. A deadening dogma takes the place of free inquiry. Instruction tends to become sterile; pursuit of knowledge is discouraged; discussion often leaves off where it should begin.