To show your true ability is ...

To show your true ability is always, in a sense, to surpass the limits of your ability,  to go a little beyond them: to dare, to seek, to invent; it is at such  a moment that new talents are revealed, discovered, and realized
To show your true ability is always, in a sense, to surpass the limits of your ability, to go a little beyond them: to dare, to seek, to invent; it is at such a moment that new talents are revealed, discovered, and realized

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
There are no secrets to success. It is the result of preparation, hard work, and learning from failure.
You have to have the service mentality in the sense that you subjugate your own ego, and you subjugate a large part of your own life to really helping other people, being successful on their behalf.
 Herb Kelleher
Success consists of going from failure to failure without loss of enthusiasm.

Quotes from the same author

One's life has value so long as one attributes value to the life of others, by means of love, friendship, indignation and compassion.
Change your life today. Don't gamble on the future, act now, without delay.
I wish that every human life might be pure transparent freedom.
Sex pleasure in woman is a kind of magic spell; it demands complete abandon; if words or movements oppose the magic of caresses, the spell is broken.
Retirement revives the sorrow of parting, the feeling of abandonment, solitude and uselessness that is caused by the loss of some beloved person.