He who asks a question is a fool for five minutes; he who does not ask a questionremains a fool forever.

Nothing in life is to be feared. It is only to be understood.

Greatideas often receive violent opposition from mediocre minds.

Discord gives a relish to concord.

Patriotism is not a short and frenzied outbrust of emotion but the tranquil and steady dedication of a lifetime.

Thetruth is that our finest moments are most likely to occur when we are feelingdeeply uncomfortable, unhappy, or unfulfilled. For it is only in suchmoments, propelled by our discomfort, that we are likely to step out of ourruts and start searching for di

Tact is the ability to make a person see the lightning without letting him feel the bolt.

Whenpeople say women can’t be trusted because they cycle every month, myresponse is that men cycle every day, so they should only be allowed tonegotiate peace treaties in the evening.

The lion and the calf shall lie down together, but the calf won't get much sleep.

Whenyou're at the edge of a cliff, sometimes progress is a step backwards.

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.

The greatest intelligence is precisely the one that suffers most from its own limitations.