Small minds can never handle great themes.

Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.

If everyone is thinking alike, then somebody isn't thinking.

One day we will learn that the heart can never be totally right when the head is totally wrong.

An hour of planning can say you 10 hours of doing.

It is not because men's desires are strong that they act ill; it is because their consciences are weak.

The way you habitually think will determine your destiny.

The man who has anticipated the coming of troubles takes away their power when they arrive.

There are only two kinds of people, those who accept dogmas and know it, and those who accept dogmas and don't know it.

The free flow of conflicting ideas and feelings is critical for creative thinking, for discovering new solutions no one individual would have come to on his own.

The oldest, shortest words - “yes” and “no” - are those which require the most thought.

If art is to nourish the roots of our culture, society must set the artist free to allow his vision wherever it takes him.

The change in motion is proportional to the motive force impressed; and is made in the direction of the right line in which that force is impressed.

Man, unlike any other thing organic or inorganic in the universe, grows beyond his work, walks up the stairs of his concepts, emerges ahead of his accomplishments.

Do not seek to bring things to pass in accordance with your wishes, but wish for them as they are, and you will find them.