Singleness of purpose is one of the chief essentials for success in life, no matter what may be one's aim.

Don't blame the marketing department. The buck stops with the chief executive.

The success of each is dependent upon the success of the other.

The success of each is dependent upon the success of the other.

I do not think there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.

I do not think that there is any other quality so essential to success of any kind as the quality of perseverance. It overcomes almost everything, even nature.