“You can never cross the ocean until you have the courage to lose sight of the shore.”

Act in such a way that you treat humanity... always at the same time as an end.

In the arithmetic of love, one plus one equals everything, and two minus one equals nothing.

Gravitation is not responsible for people falling in love.

Lots of people know what to do, but few actually do what they know.

Two truths cannot contradict one another.

Success is not about being motivated only when things are going well; it's about staying motivated even in the face of challenges.