If you think you can do it, you can.
Problems are not stop signs, they are guidelines.
What you do today can improve all your tomorrows.
Who seeks shall find.
Be gentle to all and stern with yourself.
Quality is not an act, it is a habit.
Always desire to learn something useful.
You never know what motivates you.
Never complain and never explain.
The secret of getting ahead is getting started.
The initial motivation of the experiment which led to this discovery was a subconscious feeling for the inexhaustible wealth of nature, a wealth that goes far beyond the imagination of man.