What is the fine-grained topic of the following text: Singleness of purpose is one of the chief essentials for success in life, no matter what may be one’s aim – to bend all energies to one point, and to go directly to that point, looking neither to the right nor to the left.I never could have done what I have done without the habits of punctuality, order, and diligence, without the determination to concentrate myself on one subject at a time … energy well directed. Only return the topic.
The importance and impact of focus and discipline in achieving success.