Expect problems and eat them for breakfast.
To know oneself, one should assert oneself.
If you're going through hell, keep going.
Who seeks shall find.
Quality is not an act, it is a habit.
Begin to be now what you will be hereafter.
Go for it now. The future is promised to no one.
If you think you can do it, you can.
Problems are not stop signs, they are guidelines.
It's always too early to quit.
In science there is only physics all the rest is stamp collecting.