Problems are not stop signs, they are guidelines.
If you're going through hell, keep going.
Quality is not an act, it is a habit.
To know oneself, one should assert oneself.
It's always too early to quit.
The dog that trots about finds a bone.
I can, therefore I am.
What you do today can improve all your tomorrows.
Know or listen to those who know.
Who seeks shall find.
In my experience, if you have to keep the lavatory door shut by extending your left leg, it's modern architecture.
Anthropology is the science which tells us that people are the same the whole world over - except when they are different.