Jack Dorsey & Sarah Friar ·Square, Inc. ·3 AUG 2016

The real moat isn't the hardware — it's every product a seller adopts after the first swipe.

Square Investor Relations Team ·Square, Inc. ·1 NOV 2016

The strongest growth signal in this letter isn't revenue — it's that larger sellers are choosing Square on product merit, not discounts.

Jack Dorsey ·Block, Inc. ·2 NOV 2023

When the company is growing faster than the business, the fix is a hard ceiling, not a pep talk.