Progress is impossible without change, and those who cannot change their minds, can't change anything.

Life is what you make it

Peace is within oneself to be found in the same place as agitation and suffering.

If you change nothing, nothing will change.

The purpose of education is to create the ability to look at the world for oneself.

There is no limit to the powers of the human mind. The more concentrated it is, the more power is brought to bear on one point.

„How wonderful it is that nobody need wait a single moment before starting to improve the world.”