To be able to concentrate for a considerable time is essential to difficult achievement.
- Bertrand Russell
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Births
1695 - William Borlase, English naturalist
New genetic disorders pop up all the time -- each one represents a child who may face incredible challenges, or even be doomed to death.
Births
1622 - Vincenzo Viviani, Italian mathematician
March 11th
1811 - Birth of Urbain Le Verrier, French mathematician