Start, run, finish

"The trick," Lawrence of Arabia says somewhere in the beginning of the movie, "is not minding that it hurts."

Place

Constantly, we should practice.

Learning by doing (2)

The mental and physical immune system operate along similar ways. To boost defences we need to feed it.

Above: Melle (b. 2004) at the North Pier, Wijk aan Zee, yesterday. Melle makes long journeys by bike. He learns as he is doing. 

See also: Learning by doing

See also: Train and trust your immune system

Natural

The establishment of a natural rhythm, in nature, is the reason to train, under natural circumstances. It is beneficial to all other activities in reality: driving a car, interacting with other people, doing a job, writing these words.

Footprint

Haarlem, view detail here