Always desire to learn something useful.
What you do today can improve all your tomorrows.
The dog that trots about finds a bone.
Who seeks shall find.
I can, therefore I am.
Problems are not stop signs, they are guidelines.
Well done is better than well said.
The wise does at once what the fool does at last.
Be kind whenever possible. It is always possible.
If you're going through hell, keep going.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.