The will to work must dominate, for art is long and time is brief..

After this time I surpassed all others in authority, but I had no more power than the others who were also my colleagues in office..

How thoroughly it is ingrained in mathematical science that every real advance goes hand in hand with the invention of sharper tools and simpler meth….

Scars have the strange power to remind us that our past is real..

Life is made up of little things. It is very rarely that an occasion is offered for doing a great deal at once. True greatness consists in being grea….

Trust no future, however pleasant! Let the dead past bury its dead! Act -- act in the living Present! Heart within and God overhead..

When's the last time you used duct tape on a duct?.

Life has been very hard on me, but, at the same time, it has taught me a great deal..

The everyday cares and duties, which men call drudgery, are the weights and counterpoises of the clock of time, giving its pendulum a true vibration ….

I delight in men over seventy. They always offer one the devotion of a lifetime..

Time ... advances like the slowest tide, but retreats like the swiftest torrent..

Time is an abstraction which, on earth, exists only for the human brain it has evolved..

O Time! consumer of all things; O envious age! thou dost destroy all things and devour all things with the relentless teeth of years, little by littl….

We all learn by experience, and your lesson this time is that you should never lose sight of the alternative. Sherlock Holmes speaking with Dr. Watso….

Time, the cradle of hope, but the grave of ambition, is the stern corrector of fools, but the salutary counselor of the wise, bringing all they dread….

Don't LIVE the same year 75 times and call it a Life.

They were so strong in their beliefs that there came a time when it hardly mattered what exactly those beliefs were; they all fused into a single stu….

Time goes faster the more hollow it is. Lives with no meaning go straight past you, like trains that don’t stop at your station..

The morning breaks; the steeds in their stalls Stamp and neigh, as the hostler calls; The day returns, but nevermore Returns the traveler to the shor….

Take care of the sense and the sounds will take care of themselves..

no man who is resolved to make the most of himself can spare time for personal contention, still less can he afford to take the consequences, includi….