White "Instant Gratification" T-shirt

Let this T-shirt be the symbol of your productivity. We want you to wear it every time you need to do work that requires concentration, perseverance, and willpower. By wearing it, we feel that happiness is not a matter of instant gratification, but of delayed gratification.

Oh yeah. Speaking of the T-shirt:
• 100% preshrunk cotton
• Light fabric (5.2 oz /yd² (176 g/m²))
• Relaxed fit
• Runs true to size
• Cool design