Beware of pride and arrogance, Charles, for they may betray you.

Time, which alone makes the reputation of men, ends by making their defects respectable.

Identity is much less a thing people “inherit” than it used to be.

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.

Eighty percent of Americans with HIV do not know they are infected.

I wanted to become a mathematician, physicist or astronomer.

Because I believe that humans are computers, I conjectured that computers, like people, can have left- and right-handed versions.

Written By Philip Emeagwali