Barbra Streisand

To have ego means to believe in your own strength. And to also be open to other people's views. It is to be open, not closed. So, yes, my ego is big, but it's also very small in some areas. My ego is responsible for my doing what I do - bad or good.

In 1967, the world health community launched a global effort to eradicate smallpox. It took a coordinated, worldwide effort, required the commitment of every government, and cost $130 million dollars. By 1977, smallpox had disappeared.