...By far the most usual way of handling phenomena so novel that they would make for a serious rearrangement of our preconceptions is to ignore them altogether, or to abuse those who bear witness for them.

The greatest weapon against stress is our ability to choose one thought over another.

The greatest weapon we have to combat stress is the ability to choose our thoughts.

We are proud of a human nature that could be so passionately extreme, but we shrink from advising others to follow the example.

An idea will infect another with its own emotional interest when they have become both associated together into any sort of a mental total.

The difference between an interesting and a tedious teacher consists in little more than the inventiveness by which the one is able to mediate these associations and connections, and in the dullness in discovering such transitions which the other shows.

If you want a quality, act as if you already had it.