To get away from one's working environment is; in a sense, to get away from one's self; and this is often the chief advantage of travel and change.

By Charles Horton Cooley

The search for happiness is one of the chief sources of unhappiness.

By Eric Hoffer

If I have succeeded better than many who surround me, it has been chiefly - may I say almost solely - from universal assiduity.

By John Dalton

The noble man is chiefly concerned with wisdom and friendship; of these, the former is a mortal good, the latter and immortal one.

By Epicurus

Of life's two chief prizes, beauty and truth, I found the first in a loving heart and the second in a laborer's hand.

By Khalil Gibran