It's always too early to quit.
To know oneself, one should assert oneself.
You never know what motivates you.
If you think you can do it, you can.
Problems are not stop signs, they are guidelines.
If you're going through hell, keep going.
Begin to be now what you will be hereafter.
Always desire to learn something useful.
Things do not happen. Things are made to happen.
If you've got a talent, protect it.
In addition to the research, I enjoyed learning French and assimilating the culture of another country.
Our whole family assembles in Chicago at Christmas and usually in Aspen in the summer.