progress resulted from

All progress has resulted from people who took unpopular positions. 

-Adlai Stevenson, governor, ambassador (1900-1965)

Conquer fear

Curiosity will conquer fear even more than bravery will.
- James Stephens

mean by humility

I believe that the first test of a truly great man is his humility. I do not mean by humility, doubt of his own powers. But really great men have a curious feeling that the greatness is not in them, but through them. And they see something divine in every other man and are endlessly, foolishly, incredibly merciful.
-John Ruskin, author, art critic, and social reformer (1819-1900)

delay, but...

You may delay, but time will not.
- Benjamin Franklin

Portals of discovery

Mistakes are the portals of discovery. 

-James Joyce, novelist (882-1941)