The ability to think systematically and clearly is the found... - William James

"The ability to think systematically and clearly is the foundation of all personal and professional success."

William James

Psychologist, Philosopher American 1842–1910

More from William James

"The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind."

"Act as if what you do makes a difference. It does."

"The only way out is through."

"Does consciousness exist? I say yes."