Strength does not come from physical capacity. It comes from an indomitable will.
Strength does not come from winning. Your struggles develop your strengths. When you go through hardships and decide not to surrender, that is strength.
You never know how strong you are, until being strong is your only choice.
Success is not final, failure is not fatal: it is the courage to continue that counts.
Anyone can give up; it is the easiest thing in the world to do. But to hold it together when everyone would expect you to fall apart, now that is true strength.
It's the easiest thing in the world for a man to deceive himself.
Worry does not empty tomorrow of its sorrow. It empties today of its strength.
That which does not kill us makes us stronger.
You have power over your mind - not outside events. Realize this, and you will find strength.
Continuous effort - not strength or intelligence - is the key to unlocking our potential.
Never give up, for that is just the place and time that the tide will turn.
Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all.
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.
When you get into a tight place, and everything goes against you till it seems as if you could n't hold on a minute longer, never give up then, for that 's just the place and time that the tide'll turn.
You have to believe in yourself when no one else does.
Great spirits have always encountered violent opposition from mediocre minds.
I am not afraid of storms for I am learning how to sail my ship.
Alone we can do so little; together we can do so much.
Some people want it to happen, some wish it would happen, others make it happen.
A successful man is one who can lay a firm foundation with the bricks others have thrown at him.
or simply:
