Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.
I don't think about age. I think about people's spirit and energy and if they're positive and if they're fun to be around.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.