“In a world that changes at an exponential rate, members of such world community have to be very proficient in finding reasonable solutions to the problems that they face by themselves.”

"What You'll Wish You'd Known", January 2005

Variant: The principle of bounded rationality [is] the capacity of the human mind for formulating and solving complex problems is very small compared with the size of the problems whose solution is required for objectively rational behavior in the real world — or even for a reasonable approximation to such objective rationality.
Source: 1940s-1950s, Administrative Behavior, 1947, p. 198.

Puzzillusions (2007).

As quoted in The Star (1959) and Morrow's International Dictionary of Contemporary Quotations (1982) by Jonathon Green.

Tragedy of the Commons ( read on-line http://science.sciencemag.org/content/162/3859/1243.full), 1968.
Tragedy of the Commons (1968)

As quoted in " Time for Hindus to show leadership to the world: RSS chief Mohan Bhagwat http://indianexpress.com/article/india/politics/bhagwat-time-for-hindus-to-show-leadership-to-the-world/", The Indian Express (22 November 2014)
2011-2014

Section 32 <!-- also quoted in On Becoming a Leader (1989) by Warren G. Bennis, p. 189 -->
Reflections on the Human Condition (1973)
Variant: In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.
Context: The central task of education is to implant a will and a facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.
In a time of drastic change it is the learners who inherit the future. The learned usually find themselves equipped to live in a world that no longer exists.

Source: Liberalism (1911), Chapter V, Gladstone And Mill, p. 56 .