Carmona

'What this power is I cannot say; all I know is that it exists and
it becomes available only when a man is in that state of mind in
which he knows exactly what he wants and is fully determined not to
quit until he finds it.' Alexander Graham Bell

'The golden opportunity you are seeking is in yourself.
It is not in your environment; it is not in luck or chance,
or the help of others; it is in yourself alone.' Orson Swett Marden

'Every situation, properly perceived, becomes an opportunity ...' Helen Schucman

'The lure of the distant and the difficult is deceptive.
The great opportunity is where you are.' John Burroughs