"Hope increases courage."

Note that the particular verb you choose helps orient your listener  toward your opinion of the statement. "Praveen says" is neutral; "Praveen informs us" is positive, "Praveen alleges" is somewhat negative. Other verbs to choose from include:

• says
• writes
• observes
• remarks
• adds
• declares
• informs us
• alleges
• claims
• states
• comments
• thinks
• affirms
• asserts
• explains
• argues

Sometimes you might want to use a colon introduction. For example:
Kumquat offers this explanation: "Deep thinkers talk little."