Here are some quotes about being strong:
I love the man that can smile in trouble, that can gather strength from distress, and grow brave by reflection. ‘Tis the business of little minds to shrink, but he whose heart is firm, and whose conscience approves his conduct, will pursue his principles unto death.
Thomas Paine
Greatness lies not in being strong, but in the right use of strength.
Henry Ward Beecher
To keep the body in good health is a duty… otherwise we shall not be able to keep our mind strong and clear.
Buddha
Build upon strengths, and weaknesses will gradually take care of themselves.
JOYCE C. LOCK
That which does not kill us makes us stronger.
Friedrich Nietzsche
Perhaps I am stronger than I think.
Thomas Merton
Sometimes we think holding on makes us strong.
But sometimes it is letting go.
Hermann Hesse
The weaker are always anxious for justice and equality. The strong pay no heed to either.
Aristotle
I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.
Audrey Hepburn
It is the nature of the strong heart, that like the palm tree it strives ever upwards when it is most burdened.
Philip Sidney