As an exercise of the reasoning faculties, pure mathematics is an admirable exercise, because it consists of reasoning alone and does not encumber the student with any exercise of judgment.

To know your ruling passion, examine your castles in the air.

A man is called selfish not for pursuing his own good, but for neglecting his neighbor's.

Curiosity is as much the parent of attention, as attention is of memory.

It is the neglect of timely repair that makes rebuilding necessary.

Lose an hour in the morning, and you will spend all day looking for it.

To follow imperfect, uncertain, or corrupted traditions, in order to avoid erring in our own judgment, is but to exchange one danger for another.

Never argue at the dinner table, for the one who is not hungry gets the best of the argument.

Manners are one of the greatest engines of influence ever given to man.

To teach one who has no curiosity to learn, is to sow a field without ploughing it.

All frauds, like the wall daubed with untempered mortar ... always tend to the decay of what they are devised to support.

I must confess that my imagination refuses to see any sort of submarine doing anything but suffocating its crew and floundering at sea.

Parents are like shuttles on a loom. They join the threads of the past with threads of the future and leave their own bright patterns as they go.

There is an explosion of information happening, yet people demand quick access to relevant content that cuts through the clutter.

All of us in all the Americas will be living at the point of a gun.

They are fools who do not know how much the half exceeds the whole.

Monsanto can do anything they want to you, and put anything they want into your foods. There's nothing you can do about it.

I'm not going for the sixteenth chapel.

I'm not very bright about money. I'm not domestic either. If I don't learn how to cook, maybe I won't have to.

The thing I loved the most about being art director was picking the photographers and working with them.

Sound is a very unruly thing, and you have to really respect that it's going to differ every time you play.