1717  Nothing in the world can take the place of Persistence. Talent will not; nothing is more common than unsuccessful men with talent. Genius will not; unrewarded genius is almost a proverb. Education will not; the world is full of educated derelicts. Persistence and determination alone are omnipotent. The slogan 'Press On' has solved and always will solve the problems of the human race.

1397  History is the witness that testifies to the passing of time; it illumines reality, vitalizes memory, provides guidance in daily life and brings us tidings of antiquity.

1224  Courage means to keep working a relationship, to continue seeking solutions to difficult problems, and to stay focused during stressful periods.

1633  Do not wait for leaders; do it alone, person to person.

245  The difference between what we do and what we are capable of doing would suffice to solve most of the world’s problems