Skill to do comes of doing.

Failure is impossible. — Susan B. Anthony

The only prison we need to escape from is the prison of our own minds. — Anonymous

He was a &quot;how&quot; thinker  not an &quot;if&quot; thinker. — Anonymous

No man can think clearly when his fists are clenched. — George Jean Nathan

We think in generalities  but we live in detail. — Alfred North Whitehead

Some folks think they are thinking when they are only rearranging their prejudices. — Anonymous

How things look on the outside of us depends on how things are on the inside of us. — Park Cousins

This I conceive to be the chemical function of humor: to change the character of our thought. — Lin Yutang

Think like a man of action  act like a man of thought. — Henri Bergson

As is our confidence  so is our capacity. — William Hazlitt

The more we do  the more we can do  the more busy we are  the more leisure we have. — William Hazlitt