Failures are divided into two classes-those who thought and never did, and those who did and never thought.

Failures are divided into two classes--those who thought and never did, and those who did and never thought.

Failures are divided into two classes -- those who thought and never did, and those who did and never thought.

It is not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.

In the book of life's questions, the answers are not in the back.

We act as though comfort and luxury were the chief requirements of life, when all that we need to make us happy is something to be enthusiastic about.