Supporters of Israel will not agree with Iran's position, but we'll remember Daniel Davies' observation that "good ideas do not need lots of lies told about them in order to gain public acceptance."
The idea that Iran intends or has threatened to attack Israel with nuclear weapons is just a lie. Netanyahu deliberately tells this lie because without these lies, his position, support for Zionism against the wishes of the people of the region, is incompatible with Western values.
But here are Khamenei's words. I highly recommend reading the speech in full.
The solution of the Islamic Republic to the issue of Palestine and this old wound is a clear and logical proposal that is based on political wisdom accepted by global public opinion and it has been presented in detail previously. We neither propose a classic war by the armies of Islamic countries, nor do we propose throwing Jewish immigrants into the sea or arbitration of the United Nations and other international organizations. We propose a referendum among the Palestinian people.White South Africans accepted majority Black rule because the long term trend turned against them. Long before Black people were able to effectively impose their will on White South Africans by force, that being a potential eventuality led White South Africans to reach an accommodation that ended their enforced political majority.
Just like any other nation, the Palestinian nation has the right to determine its own destiny and to elect its own government. All the original people of Palestine - including Muslims, Christians and Jews and not foreign immigrants - should take part in a general and orderly referendum and determine the future government of Palestine whether they live inside Palestine or in camps or in any other place.
If the people of the Middle East, in Saudi Arabia, Jordan, Kuwait, UAE, Egypt and other current governments ruled effectively as colonies by pro-US dictators gain the accountability over their governments' policies, then Jewish people in Israel will accept non-Jewish rule for the same reasons.
The people of Palestine, if negotiations for a transition begin when the threat is still potential as they did in South Africa, would be flexible as Black South Africans were about the rights of what Khamenei calls "foreign immigrants".
The alternative is colonialism. When Barack Obama says the United States "will do what it takes to preserve Israel's qualitative military edge because Israel must always have the ability to defend itself, by itself, against any threat", he is saying he will do all he can to ensure that the 400 million non-Jews of Israel's region remain either under sanction, foreign-supported civil war or direct pro-US dictatorial rule indefinitely for the sake of fewer than six million Jewish people in that territory. A Black-skinned Cecil Rhodes and a true embarrassment to the human race.