The young people of today think of nothing but themselves. They have no reverence for parents or old age. They are impatient of all restraint. They talk as if they alone knew everything and what passes for wisdom with us is foolishness with them. As for girls, they are forward, immodest and unwomanly in speech, behaviour and dress.

Even people who aren't geniuses can outthink the rest of mankind if they develop certain thinking habits.

I'm just a little bit sicker than the average individual I think.

Think before you speak, your words could hurt someone's feeling more than you intended it to.

Paper is to write things down that we need to remember. Our brains are used to think.

Men who think deeply say little in ordinary conversations.