Truth is a torch but a tremendous one. That is why we hurry past it, shielding our eyes, indeed, in fear of getting burned.

Sameness leaves us in peace but it is contradiction that makes us productive.

Nothing is more damaging to the truth than an old error.

The light is there, and colors surround us. However, if there were no light nor colors in our own eye, we wouldn't perceive such things outside of us.

The destiny of any nation at any given time depends on the opinion of its young people, those under twenty-five.

To think is easy. To act is difficult. To act as one thinks is the most difficult.

Enthusiasm is of the greatest value, so long as we are not carried away by it.