When you trip over love, it is easy to get up. But when you fall in love, it is impossible to stand again.

Gravitation is not responsible for people falling in love. -Albert Einstein.

Gravity is not responsible for people falling in love.

Love is a better master than duty.

No, this trick won't work... How on earth are you ever going to explain in terms of chemistry and physics so important a biological phenomenon as first love?

A religious person is devout in the sense that he has no doubt about the significance of those superpersonal objects and goals which neither require nor are capable of rational foundation