Either you run the day or the day runs you.
If you're going through hell, keep going.
It's always too early to quit.
Always desire to learn something useful.
Wherever you are - be all there.
Expect problems and eat them for breakfast.
To know oneself, one should assert oneself.
What you do today can improve all your tomorrows.
You never know what motivates you.
Quality is not an act, it is a habit.
Teaching man his relatively small sphere in the creation, it also encourages him by its lessons of the unity of Nature and shows him that his power of comprehension allies him with the great intelligence over-reaching all.