"A master device! I would hear more of it.
What a thing it is to have learning.

We had only the hour-glass and guesswork." Then he told how on a certain day the crews would go no farther, being worn out by storms, for in those seas the tides were like cataracts and the waves were mountains.

The admiral, Bartholomew Diaz, was forced to put about with a heavy heart, for he believed that a little way to the east he should find the southern cape of Africa.

He steered west by north, looking for no land till Guinea was sighted.

"But on the second morning we saw land to the northward, and following it westward came to a mighty cape so high that the top was in the clouds.