It is a simple but sometimes forgotten truth that the greatest enemy to present joy and high hopes is the cultivation of retrospective bitterness.

Travel is glamorous only in retrospect.

All religions have periods in their history which are looked back to with retrospective fear and trembling as eras of persecution and each religion has its own book of martyrs.

Man is a creative retrospection of nature upon itself.

If any country was a mine-shaft canary for the reintroduction of cholera it was Haiti - and we knew it. And in retrospect more should have been done to prepare for cholera... which can spread like wildfire in Haiti... This was a big rebuke to all of us working in public health and health care in Haiti.

When we recall the past we usually find that it is the simplest things - not the great occasions - that in retrospect give off the greatest glow of happiness.

The mark of a good action is that it appears inevitable in retrospect.

It is the mark of a good action that it appears inevitable in retrospect.

I've been asked to do a retrospective since I was about 28 and I always thought that was a bit odd. It's great to look forward as an artist because in the future the possibilities are infinite you look back and it's all fixed so it's a scary thing.

In retrospect the Millennium marked only a moment in time. It was the events of September 11 that marked a turning point in history where we confront the dangers of the future and assess the choices facing humankind.