Theodore Roosevelt, fondly known as Teddy, was the 26th president of the United States. Roosevelt first served as vice president under President William McKinley before assuming presidency after McKinley's assassination.

Although he was a sickly child, Roosevelt had an exuberant personality and was highly ambitious which made him overcome challenges. Roosevelt helped end the Russo-Japanese war, a great feat that earned him The Nobel Peace Prize in 1906.

Roosevelt was a conservationist and he accomplished many things in his two terms as president. He built the Panama Canal and brought about numerous progressive reforms.

Here are Theodore Roosevelt's most compelling quotes of all time.