It's always too early to quit.

Be thine own palace, or the world's thy jail.

The wise does at once what the fool does at last.

Begin to be now what you will be hereafter.

Know or listen to those who know.

To know oneself, one should assert oneself.

Wherever you are - be all there.

Be gentle to all and stern with yourself.

The dog that trots about finds a bone.