“Human population growth is probably the single most serious long-term threat to survival.”

It’s better to get out before you reach the sell-by date.

Young people are the same as they always were. They are just as ignorant.

I don’t think a prostitute is more moral than a wife, but they are doing the same thing.

I have very little experience of self-government. In fact, I am one of the most governed people in the world.

You could do with losing a little bit of weight.

If anyone has a new idea in this country, there are twice as many people who keep putting a man with a red flag in front of it.

Cannibalism is a radical but realistic solution to the problem of overpopulation.

It’s much better to go when you are still capable than wait until people say you’re so doddery it’s time you went.

My favourite subject at school was avoiding unnecessary work.

Everyone has to have a sense of duty. A duty to society, to their family. I mean, you name it.

Books are certainly old fashioned, but only people with a very limited perception are silly enough to condemn ideas because of their age.

You can’t just decide you want to do this or that. You have to be invited.

Tolerance is the one essential ingredient. You can take it from me that the Queen has the quality of tolerance in abundance.

If it has got four legs and it is not a chair, if it has got two wings and it flies but is not an aeroplane, and if it swims and it is not a submarine, the Cantonese will eat it.

A horse which stops dead just before a jump and thus propels its rider into a graceful arc provides a splendid excuse for general merriment.

I can’t remember names and things.

It was astonishing that for some considerable distance around the mould growth the staphococcal colonies were undergoing lysis. What had formerly been a well-grown colony was now a faint shadow of its former self…I was sufficiently interested to pursue the subject.

Growing apart can also be a blessing. Make space for that.

You will never know how much money I got but I got more then I got followers.

I can definitely say the older I’ve got the better I’ve become at being a dad and a husband.

In deep self acceptance, grows a compassionate understanding.

Every person you meet will hold the same lesson for you, until you learn what is needed for your growth.

The heart is like a garden. It can grow compassion or fear, resentment or love. What seeds will you plant there?

A woman at 20 is like ice, at 30 she is warm and at 40 she is hot.