Only in the exceptional case, where the integrity and competence of the advisers have been thoroughly demonstrated, should the investor act upon the advice of others without understanding and approving the decision made.
Benjamin GrahamNever mingle your speculative and investment operations in the same account nor in any part of your thinking.
Benjamin GrahamNever buy a stock immediately after a substantial rise or sell one immediately after a substantial drop.
Benjamin GrahamThe investor who permits himself to be stampeded or unduly worried by unjustified market declines in his holdings is perversely transforming his basic advantage into a basic disadvantage.
Benjamin Graham