Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.
Boredom is the root of all evil - the despairing refusal to be oneself.
When you undervalue what you do, the world will undervalue who you are
Just remember, once you're over the hill you begin to pick up speed.
Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.
In a good bookroom you feel in some mysterious way that you are absorbing the wisdom contained in all the books through your skin, without even opening them.
Nothing is so strong as gentleness, nothing so gentle as real strength
Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.
When you learn, teach, when you get, give.
Experience is the only prophecy of wise men.
Nothing fixes a thing so intensely in the memory as the wish to forget it.
Achievement brings its own anticlimax.
I am a lover of truth, a worshipper of freedom, a celebrant at the altar of language and purity and tolerance.
Early to bed and early to rise, Makes a man healthy, wealthy, and wise.
A single lie destroys a whole reputation of integrity.
Let there be spaces in your togetherness.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
Don't criticize what you can't understand.
A man who as a physical being is always turned toward the outside, thinking that his happiness lies outside him, finally turns inward and discovers that the source is within him.
Where you stand depends on where you sit.