mental [?]

Quotes with mental

 ?? Bertrand Russell
Whatever we know without inference is mental.
Human Knowledge: Its Scope and Limits (1948)
Success or failure in business is caused more by the mental attitude even than by mental capacities.
Increasing Human Efficiency in Business - A contribution to the psychology of business (1911)
 ?? William Hyde Wollaston
Allow me to decline the mental flagellation called anxiety, compared with which the loss of thousands of pounds is as a fleabite.
Letter to Hasted, Dececember 29, 1800, about his decision to abandon medical practice and pursue science.