[android help] display large text in libgdx

I have string array of quotes and want to display in libgdx. I am doing as follows

public int quoteIndexNo =2;
public String[] quotes = {
        "Sometimes the heart sees what is " +
        "invisible to the eye. H. Jackson " +
        "Brown, Jr.",           
        "Being deeply loved by someone gives" +
        " you strength, while loving someone " +
        "deeply gives you courage. Lao Tzu",};
font.draw(batch, quotes[quoteIndexNo], 50, 100);

but problem is, being text large it is not properly showing in screen. how can I make sure that only 15 characters are visible in single line and rest part of string in another line.

.

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