Be Brave

“The world is changed not by the self-regarding, but by men and women prepared to make fools of themselves.” 

~ PD James, The Children of Men

More on being brave:

“We could never learn to be brave and patient, if there were only joy in the world.”
~ Helen Keller

“I love those who can smile in trouble, who can gather strength from distress, and grow brave by reflection. ’Tis the business of little minds to shrink, but they whose heart is firm and whose conscience approves their conduct, will pursue their principles unto death.”
~ Leonardo da Vinci

“Forgiveness is a virtue of the brave.”
~ Indira Gandhi

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Brave     /brāv/

adjective
ready to face and endure danger or pain; showing courage. “a brave soldier”

noun (dated)
a North American Indian warrior

verb
endure or face (unpleasant conditions or behavior) without showing fear. “we had to brave the full heat of the sun”