A path full of potholes must be traveled slowly, but there's no reason you can't finish the journey.
Faydra D. FieldsWe know there must be new physics. For example, we cannot explain what dark matter is.
Fabiola GianottiOne must still have chaos in oneself to be able to give birth to a dancing star.
Friedrich NietzscheA friend should be a master at guessing and keeping still: you must not want to see everything.
Friedrich NietzscheSometimes you have to, as I say, build bridges where you can - but draw lines where you must.
Fred ThompsonFilipino businessmen must have the ability to compete freely in the global economy.
Gloria Macapagal ArroyoOne must always maintain one's connection to the past and yet ceaselessly pull away from it.
Gaston BachelardIn order to act, you must be somewhat insane. A reasonably sensible man is satisfied with thinking.
Georges ClemenceauI say that a man must be certain of his morality for the simple reason that he has to suffer for it.
G.K. ChestertonThe issue is now quite clear. It is between light and darkness and every one must choose his side.
G.K. Chesterton