Be unselfish. That is the first and final commandment for those who would be useful and happy in their usefulness. If you think of yourself only, you cannot develop because you are choking the source of development, which is spiritual expansion through thought for others.
Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.
All business proceeds on beliefs, or judgements of probabilities, and not on certainties.
Do not expect the world to look bright, if you habitually wear gray-brown glasses.
You know that it is only through work that you can achieve anything, either in college or in the world.