Science may eventually explain the world of How. The ultimate world of Why may remain for contemplation, philosophy, religion.

A garden requires patient labor and attention. Plants do not grow merely to satisfy ambitions or to fulfill good intentions. They thrive because someone expended effort on them.

When the traveler goes alone he gets acquainted with himself.

If a person cannot love a plant after he has pruned it, then he has either done a poor job or is devoid of emotion.

Looking back, I realise it wasn't only gym I dreaded at school. Every class was a torment. It wasn't knowledge I objected to but instruction. Why couldn't they just tell us what books to read and leave us to get on and read them?

Unlearning is gaining importance as workplaces are moving towards agile, collaborative working models. While conventional education adds to our knowledge, unlearning will become the new learning in the coming decade, as concepts and ideas keep evolving.

In poor countries, we still need better ways to measure the effectiveness of the many government workers providing health services. They are the crucial link bringing tools such as vaccines and education to the people who need them most. How well trained are they? Are they showing up to work?

I was quite a shy kid, but I was quite funny at school, and I was really into art. In our class, there were two of us who were good at drawing, and my teacher was like, 'He's going to make a wonderful artist one day, and Noel can make everyone laugh.'