The heart errs like the head; its errors are not any the less fatal, and we have more trouble getting free of them because of their sweetness.

An education isn't how much you have committed to memory, or even how much you know. It's being able to differentiate between what you know and what you don't.

The future is a convenient place for dreams.

Distrust even Mathematics; albeit so sublime and highly perfected, we have here a machine of such delicacy it can only work in vacuo, and one grain of sand in the wheels is enough to put everything out of gear. One shudders to think to what disaster such a grain of sand may bring a Mathematical brain. Remember Pascal.

It is only the poor who are forbidden to beg.

Awaken people's curiosity. It is enough to open minds, do not overload them. Put there just a spark.

The finest words in the world are only vain sounds if you can't understand them. The best sentence? The shortest.