Changed Quote by Benjamin Graham

To reduce risk it is necessary to avoid a portfolio whose securities are all highly correlated with each other. One hundred securities whose returns…

— Harry Markowitz

It is to our advantage to have securities do nothing price-wise for months, or perhaps years, while we are buying them.

— Warren Buffett

“In good years, defensive investors have to be content with the knowledge that their gains, although perhaps less than maximal, were achieved with risk…

— Howard Marks

Avoid second-quality issues in making up a portfolio unless they are demonstrable bargains.

— Benjamin Graham

If you own a portfolio of stocks, you must learn to sell the worst performers first and keep the best a little longer.

— William O'Neil

Regardless of what happens in the markets, stick to your investment program. Changing your strategy at the wrong time can be the single most…

— John C. Bogle

However, if one has been playing the buy-and-hold game with quality securities, one has been exposed to a substantial amount of market risk because…

— Michael Burry

Any onset of increased investor caution elevates risk premiums and, as a consequence, lowers asset values and promotes the liquidation of the debt that…

— Alan Greenspan

I put heavy weight on certainty. It's not risky to buy securities at a fraction of what they're worth.

— Warren Buffett

In choosing a portfolio, investors should seek broad diversification, Further, they should understand that equities--and corporate bonds also--involve risk; that markets inevitably fluctuate; and…

— Harry Markowitz

“The problem with “secure” investments is that they are often sanitized, that is, made so safe that the gains are less. Most”

— Robert T. Kiyosaki

Value investors should completely exit a security by the time it reaches full value; owning overvalued securities is the realm of speculators.

— Seth Klarman