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

The greater your storm the brighter your rainbow

All that we are is the result of what we have thought. The mind is everything. What we think we become

Short words are best and the old words when short are best of all

The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them. That is the essence of inhumanity.

Do one thing at a time and while doing it, put your whole soul into it to the exclusion of all else.

Comfort is no test of truth. Truth is often far from being comfortable.