It is a rough road that leads to the heights of greatness.

It is a rough road that leads to the heights of greatness.

We are what we pretend to be, so we must be careful about what we pretend to be.

We are what we pretend to be, so we must be careful about what we pretend to be.

The time to relax is when you don't have time for it.

The time to relax is when you don't have time for it.

Most powerful is he who has himself in his own power.

Most powerful is he who has himself in his own power.

An ounce of hypocracy is worth a pound of ambition.

An ounce of hypocracy is worth a pound of ambition.

The greatest obstacle to discovering the shape of the earth, the
continents, and the oceans was not ignorance, but rather read more

The greatest obstacle to discovering the shape of the earth, the
continents, and the oceans was not ignorance, but rather the illusion of
knowledge.

There is no substitute for hard work.

There is no substitute for hard work.

Let everyone sweep in front of his own door, and the whole world will
be clean.

Let everyone sweep in front of his own door, and the whole world will
be clean.

Discovery is seeing what everybody else has seen, and thinking what nobody
else has thought.

Discovery is seeing what everybody else has seen, and thinking what nobody
else has thought.