Paul Theroux:

Tourists don’t know where they’ve been, travellers don’t know where they’re going.

The wish to travel seems to me characteristically human: the desire to move, to satisfy your curiosity or ease your fears, to change the circumstances of your life, to be a stranger, to make a friend, to experience an exotic landscape, to risk the unknown.

Thomas Fuller:

He who travels much knows much.

George Bernard Shaw: 

A perpetual holiday is a good working definition of hell.

Sam Ewing:

Vacation: Two weeks on the sunny sands – and the rest of the year on the financial rocks.