[On being criticized for her serious expression:] I simply ache from smiling. Why are women expected to beam all the time? It's unfair. If a man looks solemn, it's automatically assumed he's a serious person, not a miserable one.

The world is not the most pleasant place. Eventually, your parents leave you and nobody is going to go out of their way to protect you unconditionally. You need to learn to stand up for yourself and what you believe and sometimes, pardon my language, kick some ass.

I myself prefer my New Zealand eggs for breakfast.

[Before each of numerous portrait sittings:] Now then, with teeth or without?

[To a woman whose cellphone rang during a formal meeting:] You'd better answer that. It could be someone important.

I have to be seen to be believed.

I know of no single formula for success. But over the years I have observed that some attributes of leadership are universal and are often about finding ways of encouraging people to combine their efforts, their talents, their insights, their enthusiasm and their inspiration to work together.