Shallow intellect is worse than ignorance. Ignorance can be treated with knowledge, but shallow intellect, that is illusion of knowledge, is untreatable and quite dangerous to the progress and wellbeing of humanity.

As a species, wise, harmonious progress is our mission.

And, step by step, since time began, I see the steady gain of man.

Civilization advances by extending the number of important operations which we can perform without thinking about them.

We are never as modern, as far ahead of the past as we like to think we are.

... men may rise on stepping-stones On their dead selves to higher things.

All progress has resulted from people who took unpopular positions.

The history of mankind's battle forward through bloodshed is like the formation of coal, where a great deal of wood is needed to produce a small amount of coal.

When old words die out on the tongue, new melodies break forth from the heart; and where the old tracks are lost, new country is revealed with its wonders.

There is a spirit and a need and a man at the beginning of every great human advance. Each of these must be right for that particular moment of history or nothing happens.

A thousand things advance; nine hundred and ninety-nine retreat: that is progress.

Is it progress if a cannibal uses a fork?

Progress, man's distinctive mark alone, Not God's, and not the beasts': God is, they are, Man partly is and wholly hopes to be.

By habits of thrift and economy, by way of the industrial school and college, we are coming up. We are crawling up, working up, yea, bursting up-often through oppression, unjust discrimination and prejudice-but through them all we are coming up, and with proper habits, intelligence, and property, there is no power on earth than can permanently stay our progress.

We are still climbing a steep hill. We are far from the top, but we can see the top in the distance.

The reason the Romans built their great paved highways was because they had such inconvenient footwear.

The reasonable man adapts himself to the world: the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

All progress is based upon a universal innate desire on the part of every organism to live beyond its income.

... we will hope that future historians will explain the morbid symptoms of present-day society as the childhood ailments of an aspiring humanity, due entirely to the excessive speed at which civilization was advancing.

We must make progress slowly so as to preserve the progress we have already made.