I think it will be found that experience, the true source and foundation of all knowledge, invariably confirms its truth.

The love I have for my ex-girlfriends will always be there, so I think that's true love.

I think Mustique is Duchampian - it will always provide an endless source of delight.

The only source of knowledge is experience.

The constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are increased.

I think we mustn't be afraid of the truth.