...happiness gives us the energy which is the basis of health.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' (I found it!) but 'That's funny ...'
The great thing about a computer notebook is that no matter how much you stuff into it, it doesn't get bigger or heavier.
Truth has beauty, power and necessity.
Write down the advice of him who loves you, though you like it not at present.
Keep on going and the chances are you will stumble on something, perhaps when you are least expecting it. I have never heard of anyone stumbling on something sitting down.
People will buy anything that is one to a customer.