Too much information: David Fontanta

A single issue of the New York Times contains more pieces of information in its pages than an educated 18th-century man or woman would have met with in a whole lifetime

 David Fontana (Mediation Week by Weke, p. 16)

The 80/20 Rule (Pareto)

 

The Pareto Principle and how to manage time better

80% of the results are derived by 20% of activities.

 80% of activities yield only 20% of the results .

Which activities make up your most productive 20%?

Which activities are least productive?

The essence of time management - M.Neenan & W.Dryden

The essence of time management is knowing what your values and goals are in life and making the optimum use of your time to achieve those ends

Michael Neenan and Windy Dryden

Life Coaching - a Cognitive-Behavioural Approach (p. 58)

Neenan and Dryden provide one more motivation for becoming more aware of your values and goals in life.

The true value of time (Lord Chesterfield)

Know the true value of time; snatch, seize, and enjoy every moment of it. No idleness; no laziness; no procrastination; never put off till tomorrow what you can do today.

Lord Chesterfield was Philip Stanhope.
His Letters to his son can be viewed online.
A short summary is contained here

Memento mori is an art form designed to remind us that we are mortal.
Vanitas by Harmen Steenwijck (c. 1640) is one of many examples - skulls, candles annd timepieces being typical contents of such still life pictures.