Young people see philanthropy and change completely differently – they don't support charities in the same way as I do, but they campaign and that's perhaps more valuable. The money is less important now, and the drive is the focus, the talking, the doing.

Seventeen of the top twenty universities in the world are in the USA, one third of all students who leave their countries to study in another come to the USA.

Always remember – it's best to own 10% of a big number, than all of nothing!

It is this sense of democracy which empowers us, the people of Brazil, to elect someone like Lula who- in turn- uses that same democratic power to pursue policies to successfully combat inequality. This then reflects on the psychology of the people of our nation.

If one aspires to make a positive impact on the world, shouldn't we strive for innovative solutions, perhaps even for a disease as formidable as cancer?