Self-discipline is an ugly word with many today. The saying “I can resist anything but temptation” seems to be quite accepted. However, on the flip side, fans “Ooh and Aah” over the physique of athletes and ignore it was self-discipline that achieved those results.
Saying “No!” to things is critical and followed by the need to be able to say “Yes!” to the right things.
“And beside this, giving all diligence, add to your faith virtue; and to virtue knowledge; And to knowledge temperance; and to temperance patience; and to patience godliness; And to godliness brotherly kindness; and to brotherly kindness charity” (2 Peter 1:5-7).