Being notoriously obsessed with safety, Sheldon was always ready for any kind of situation. The safety measures included safety kits and quarterly drills with his roommate Leonard, showing no one knows what's coming and it's best to be prepared for the worst.
Sheldon is someone who hates change and doesn't like to compromise. However, later on, he learns to make adjustments and change his ways to make things easy for his friends.
Friendship is one of life's greatest joys. Penny and Sheldon, two completely different people, shared a strong and enduring bond, showing how we can learn to accept and embrace each other's peculiarities.
One thing that Sheldon was always convinced of was winning the Nobel Prize. Though most people doubted him, he remained unbothered, worked hard, and never gave up on his passion until he actually achieved his goal.
By dedicating his Nobel Prize to his loved ones, Sheldon clearly showed that life isn't just about us, but the people around us matter more than anything else.