Not until, years later, I found my true interest in life did I discover that I could master a subject, no matter how difficult, if it helped me in what I wanted to do.

If I did not have for him the warm affection a son feels toward a less austere and preoccupied father, I at least had an immense respect for him, and a great admiration.

One of the things that made me persist in the Antarctic in the face of sickening discouragements was my determination to name a portion of the earth's surface after my father.

Not until, years later, I found my true interest in life did I discover that I could master a subject, no matter how difficult, if it helped me in what I wanted to do.