Let he who would move the world, first complete an environmental impact assessment and a 90-day public comment period.

A man should inure himself to voluntary labor, and not give up to indulgence and pleasure, as they beget no good constitution of body nor knowledge of mind.

Awareness of ignorance is the beginning of wisdom.

And the same things look bent and straight when seen in water and out of it, and also both concave and convex, due to the sight's being mislead by the colors, and every sort of confusion of this kind is plainly in our soul. And, then, it is because they take advantage of this affection in our nature that shadow painting, and puppeteering, and many other tricks of the kind fall nothing short of wizardry.

It is a disgrace to grow old through sheer carelessness before seeing what manner of man you may become by developing your bodily strength and beauty to their highest limit.

The invention of writing will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing, produced by external characters which are no part of themselves, will discourage the use of their own memory within them. You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom.

The beginning is the most important part, especially when dealing with anything young and tender.