Adversities such as being homeless and going to prison has made many people stronger.

The greatest grand challenge for any scientist is discovering how to prevent the spread of HIV and finding the cure or an effective vaccine for AIDS.

One out of every 100 American men is HIV positive. The rate of infection has reached epidemic proportions in 40 developing nations.

During the week that I arrived in the United States, I saw an airport, used a telephone, used a library, talked with a scientist, and was shown a computer for the first time in my life.

The hardship of living in a refugee camp made me psychologically strong.

Nigeria is a West African nation of over 100 million energetic people. It is endowed with lots of natural resources but lacks human resources.

The labs were happy that I was brave enough to attempt to program it and the $5 million computer was left entirely to my use. I was their human guinea pig.