I think that the young people today feel a tremendous sense of responsibility to their brothers and sisters because of the sacrifices that most families make to send their children to college.

Let us sacrifice our today so that our children can have a better tomorrow.

When grand plans for scientific and defence technologies are made, do the people in power think about the sacrifices the people in the laboratories and fields have to make?

Some things are very low profile, but if they excite me creatively, I accept them. Sometimes there are high-profile projects, and you have to do it. We all have human limitations. It is a painful decision to turn things down. Even accepting 'Slumdog Millionaire' was a decision that I had to sacrifice another project.

I have always had great respect for former president Mandela. The personal sacrifices he made in order to achieve what was right for the people of South Africa is something I carry with me every day.

Whenever you get to win, you feel the satisfaction of all of your hard work, all the sacrifices, all the blood, sweat and tears. It feels right and makes you realise that you are really doing the right thing.

We work just as hard as any footballer, period. We go through the same experiences and heartaches. We make the same sacrifices. We leave our families behind to chase our dreams, too.

In the military, you learn the essence of people. You see so many examples of self-sacrifice and moral courage. In the rest of life, you don't get that many opportunities to be sure of your friends.