A major difficulty is that the answer to the Riddle of the Sphinx is partly a product of the answers that we already have given to the riddle in its various forms.

Whatever the ups and downs of detail within our limited experience, the larger whole is primarily beautiful.

Evolution has long been badly taught. In particular, students - and even professional biologists - acquire theories of evolution without any deep understanding of what problem these theories attempt to solve. They learn but little of the evolution of evolutionary theory.

A man walking is never in balance, but always correcting for imbalance.

Multiple descriptions are better than one.

People are going to have to make themselves predictable, or the machines will get angry and kill them.

In the transmission of human culture, people always attempt to replicate, to pass on to the next generation the skills and values of the parents, but the attempt always fails because cultural transmission is geared to learning, not DNA.