As our cities and suburbs relentlessly expand, those priceless open spaces needed for recreation areas accessible to their people are swallowed up-often forever. Unless we preserve these spaces while they are still available, we will have none to preserve.

When I spoke at the St. Lawrence Seaway ceremonies in 1969, I borrowed some words from the monument there which I had joined Queen Elizabeth in dedicating just 10 years before. That monument, as its inscription puts it, 'bears witness to the common purpose of two nations whose frontiers are the frontiers of friendship, whose ways are the ways of freedom, whose works are the works of peace'.

If you are ever going to lie, you go to jail for the lie rather than the crime. So believe me, don't ever lie.

Let us move from the era of confrontation to the era of negotiation.

For one priceless moment in the whole history of man, all of the people on this earth are truly one. One in their pride at what you have done, one in our prayers that you will return safely to earth.

Unless a president can protect the privacy of the advice he gets, he cannot get the advice he needs.

Those who hate you don't win unless you hate them back.