The season when to come, and when to go, to sing, or cease to sing, we never know.

The greatest magnifying glasses in the world are a man's own eyes when they look upon his own person.

Fools rush in where angels fear to tread.

A little learning is a dangerous thing; Drink deep, or taste not the Pierian spring.

In faith and hope the world will disagree, but all mankind's concern is charity.

To err is human; to forgive, divine.

Teach me to feel another's woe, to hide the fault I see, that mercy I to others show, that mercy show to me.

The best way to prove the clearness of our mind, is by showing its faults; as when a stream discovers the dirt at the bottom, it convinces us of the transparency and purity of the water.

Chiefs who no more in bloody fights engage, But wise through time, and narrative with age, In summer-days like grasshoppers rejoice - A bloodless race, that send a feeble voice.

While pensive poets painful vigils keep, Sleepless themselves, to give their readers sleep.

See! From the brake the whirring pheasant springs, And mounts exulting on triumphant wings; Short is his joy! He feels the fiery wound, Flutters in blood, and panting beats the ground.

Heavenly bodies are nests of invisible birds.

Evil originates not in the absence of guilt

Regret for time wasted can become a power for good in the time that remains, if we will only stop the waste and the idle, useless regretting.

I like the inspiration of the first take.

Great art is indefinable but that's all right; it exists anyway.

Ancient stars in their death throes spat out atoms like iron which this universe had never known. ... Now the iron of old nova coughings vivifies the redness of our blood.

I'd like to do policy and I'd like to do philosophy, I'd like to be able to get into the depth, into the meat of the argument - that's the kind of stuff I want to do.

Every obstacle yields to stern resolve.

I consider myself an average man, except in the fact that I consider myself an average man.

The man (or woman) who can make hard things easy is the educator.