love of learning is the most necessary passion ... in it lies our happiness. It's a sure remedy for what ails us, an unending source of pleasure.

Self-love is always the mainspring, more or less concealed, of our actions; it is the wind which swells the sails, without which the ship could not go.

Let us choose for ourselves our path in life, and let us try to strew that path with flowers.

To be happy, one must rid oneself of prejudice, be virtuous, healthy, and have a capacity for enjoyment and for passion.

love of learning is the most necessary passion ... in it lies our happiness. It's a sure remedy for what ails us, an unending source of pleasure.

Let us decide on the route that we wish to take to pass our life, and attempt to sow that route with flowers.