It's one thing thinking something and another thing knowing it.

Many people see happiness only in their future.

You must be careful when you ask people whether they’re happy; it’s a question that can upset them a great deal.

He who spends too long regretting his ruined crop will be neglect to plant next year's harvest.

Happiness often comes when least expected.

Eros is not tranquil-it gives us spikes of happiness rather than a constant feeling of wellbeing. It's the love we feel at the beginning of a love affair and corresponds to the expression 'falling in love' since it is as involuntary an impulse as a physical fall.

Lesson no. 17: Happiness is caring about the happiness of those you love.